Rangdong Light Source & Vacuum Flask JSC (STC:RAL) Earnings Yield (Joel Greenblatt) %: 18.35% (As of Mar. 2026) — 13% Above Median

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STC:RAL Rangdong Light Source & Vacuum Flask JSC STC:RAL
69 GF Score
Price ₫79,000.00
GF Value ₫89,765.72
Valuation Modestly Undervalued
! 6 Warning Signs
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What is Rangdong Light Source & Vacuum Flask JSC Earnings Yield (Joel Greenblatt) %?

Rangdong Light Source & Vacuum Flask JSC STC:RAL -1.13% 69 Earnings Yield (Joel Greenblatt) % is 18.35% as of Mar. 2026, which is 13% above its 10-year median of 16.31. GuruFocus rates STC:RAL with a GF Score™ of 69/100 and a GF Value™ of ₫89,765.72 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 3,085 Industrial Products companies, Rangdong Light Source & Vacuum Flask JSC ranks better than 93.65% on this metric.

Rangdong Light Source & Vacuum Flask JSC's Enterprise Value for the quarter that ended in Mar. 2026 was ₫2,991,805 Mil. Rangdong Light Source & Vacuum Flask JSC's EBIT for the trailing twelve months (TTM) ended in Mar. 2026 was ₫549,399 Mil. Rangdong Light Source & Vacuum Flask JSC's Earnings Yield (Joel Greenblatt) for the quarter that ended in Mar. 2026 was 18.35%.

The historical rank and industry rank for Rangdong Light Source & Vacuum Flask JSC's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:

STC:RAL' s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: 11.79   Med: 16.31   Max: 50.58
Current: 19.49

During the past 11 years, the highest Earnings Yield (Joel Greenblatt) of Rangdong Light Source & Vacuum Flask JSC was 50.58%. The lowest was 11.79%. And the median was 16.31%.

STC:RAL's Earnings Yield (Joel Greenblatt) % is ranked better than
93.65% of 3085 companies
in the Industrial Products industry
Industry Median: 3.53 vs STC:RAL: 19.49

Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.

A better indicator of the attractiveness of an investment which takes growth into account is the Forward Rate of Return (Yacktman) %. Rangdong Light Source & Vacuum Flask JSC's Forward Rate of Return (Yacktman) % for the quarter that ended in Mar. 2026 was -26.74%. The Forward Rate of Return uses the normalized Free Cash Flow of the past five years, and considers growth. The forward rate of return can be thought of as the return that investors buying the stock today can expect from it in the future.


Rangdong Light Source & Vacuum Flask JSC  (STC:RAL) Earnings Yield (Joel Greenblatt) % Explanation

Joel Greenblatt defines the earnings yield using the above equation because it more accurately reflects the company's profitability relative to its stock price. Items like interest payment and tax etc. are not directly related to the company's operational profitability.

Enterprise Value instead of market cap (share price) is used in the calculation because it is the real price stock and bond investors together pay for the company.


Be Aware

Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.

Forward Rate of Return (Yacktman) % based on Don Yacktman's definition is a better measure of the expected rate of return for a stock.


Rangdong Light Source & Vacuum Flask JSC Earnings Yield (Joel Greenblatt) % Related Terms


Rangdong Light Source & Vacuum Flask JSC Earnings Yield (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for Rangdong Light Source & Vacuum Flask JSC's Earnings Yield (Joel Greenblatt) % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Rangdong Light Source & Vacuum Flask JSC Earnings Yield (Joel Greenblatt) % Chart

Rangdong Light Source & Vacuum Flask JSC Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Earnings Yield (Joel Greenblatt) %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 18.76 22.83 14.97 14.73 15.80

Rangdong Light Source & Vacuum Flask JSC Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Earnings Yield (Joel Greenblatt) % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 12.92 14.31 15.48 15.80 18.35

STC:RAL vs VRT, BE, HUBB: Earnings Yield (Joel Greenblatt) % Comparison

For the Electrical Equipment & Parts subindustry, Rangdong Light Source & Vacuum Flask JSC's Earnings Yield (Joel Greenblatt) %, along with its competitors' market caps and Earnings Yield (Joel Greenblatt) % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Rangdong Light Source & Vacuum Flask JSC Earnings Yield (Joel Greenblatt) % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Rangdong Light Source & Vacuum Flask JSC's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:

* The bar in red indicates where Rangdong Light Source & Vacuum Flask JSC's Earnings Yield (Joel Greenblatt) % falls into.


STC:RAL
69GF Score
Rangdong Light Source & Vacuum Flask JSC STC:RAL
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Rangdong Light Source & Vacuum Flask JSC Earnings Yield (Joel Greenblatt) % Calculation

In his book, The Little That Beat the Market, hedge fund manager Joel Greenblatt defines Earnings Yield as operating income divided by enterprise value.

Rangdong Light Source & Vacuum Flask JSCs Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as

Earnings Yield (Joel Greenblatt)=EBIT/Enterprise Value
=518037.065/3278802.508
=15.80 %

Rangdong Light Source & Vacuum Flask JSC's EBIT for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was ₫549,399 Mil.


What does a Earnings Yield (Joel Greenblatt) % of 18.35% mean?
Rangdong Light Source & Vacuum Flask JSC (STC:RAL) has a Earnings Yield (Joel Greenblatt) % of 18.35% as of Mar. 2026. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Rangdong Light Source & Vacuum Flask JSC and its competitors. This is 13% above median its historical median of 16.31. Over the past decade, Rangdong Light Source & Vacuum Flask JSC's Earnings Yield (Joel Greenblatt) % has ranged from 11.79 to 50.58. According to the industry distribution chart, Rangdong Light Source & Vacuum Flask JSC ranks #196 out of 3085 companies in the Industrial Products industry, placing it in the top 6.4%.
Is Rangdong Light Source & Vacuum Flask JSC's Earnings Yield (Joel Greenblatt) % too high?
Rangdong Light Source & Vacuum Flask JSC's current Earnings Yield (Joel Greenblatt) % of 18.35% is 13% above median its 10-year median of 16.31. Over the past 10 years, this metric has ranged from a low of 11.79 to a high of 50.58. The Industrial Products industry median Earnings Yield (Joel Greenblatt) % is 3.53. Rangdong Light Source & Vacuum Flask JSC's value of 18.35% is 419.8% above this industry median. Based on the distribution chart, Rangdong Light Source & Vacuum Flask JSC ranks #196 out of 3085 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Rangdong Light Source & Vacuum Flask JSC has a GF Score™ of 69/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Rangdong Light Source & Vacuum Flask JSC's Earnings Yield (Joel Greenblatt) % compare to VRT and BE?
According to the Industrial Products industry distribution chart, Rangdong Light Source & Vacuum Flask JSC ranks #196 out of 3085 companies for Earnings Yield (Joel Greenblatt) %. This places Rangdong Light Source & Vacuum Flask JSC in the top 6% of its industry — outperforming the majority of peers. The industry median Earnings Yield (Joel Greenblatt) % is 3.53. Rangdong Light Source & Vacuum Flask JSC's value of 18.35% is 419.8% above this benchmark. Historically, Rangdong Light Source & Vacuum Flask JSC's own Earnings Yield (Joel Greenblatt) % has ranged from 11.79 to 50.58 over the past decade. While the company's 10-year median is 16.31 vs. the industry median of 3.53, Rangdong Light Source & Vacuum Flask JSC has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Earnings Yield (Joel Greenblatt) % for an Industrial Products company?
The median Earnings Yield (Joel Greenblatt) % among Industrial Products companies is 3.53, based on 3,085 companies in the industry. Companies in the top quartile (top 25%) have a Earnings Yield (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. However, Earnings Yield (Joel Greenblatt) % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Rangdong Light Source & Vacuum Flask JSC's current Earnings Yield (Joel Greenblatt) % of 18.35% is 419.8% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Earnings Yield (Joel Greenblatt) % mean?
A high Earnings Yield (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Rangdong Light Source & Vacuum Flask JSC and its competitors. For the Industrial Products industry, the median Earnings Yield (Joel Greenblatt) % is 3.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rangdong Light Source & Vacuum Flask JSC's current Earnings Yield (Joel Greenblatt) % is 18.35%, which is 13% above median its own 10-year median of 16.31. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rangdong Light Source & Vacuum Flask JSC stock overvalued right now?
Based on GuruFocus' analysis, Rangdong Light Source & Vacuum Flask JSC (STC:RAL) is currently considered Modestly Undervalued. The stock's GF Value™ is ₫89,765.72, compared to a current price of ₫79,000.00 — trading 12% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 18.35%, which is 13% above median its 10-year median of 16.31 and 419.8% above the Industrial Products industry median of 3.53. Rangdong Light Source & Vacuum Flask JSC's overall GF Score™ is 69/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Earnings Yield (Joel Greenblatt) % calculated?
Earnings Yield (Joel Greenblatt) % is calculated from a company's financial statements. For Rangdong Light Source & Vacuum Flask JSC (STC:RAL), the current Earnings Yield (Joel Greenblatt) % is 18.35% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Rangdong Light Source & Vacuum Flask JSC (STC:RAL) Overvalued in 2026?

Based on GuruFocus' analysis, Rangdong Light Source & Vacuum Flask JSC stock appears to be undervalued. The current stock price of ₫79,000.00 is trading 12% below its estimated GF Value™ of ₫89,765.72. GuruFocus considers Rangdong Light Source & Vacuum Flask JSC to be Modestly Undervalued.

Key valuation signals for STC:RAL:

  • Earnings Yield (Joel Greenblatt) %: 18.35% (13% above median its 10-year median of 16.31)
  • GF Value™: ₫89,765.72 vs. price of ₫79,000.00 (12% below fair value)
  • GF Score™: 69/100 with 6 warning signs
  • Industry Position: 419.8% above the Industrial Products median (#196 of 3085)

No single metric tells the full story. See the STC:RAL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Rangdong Light Source & Vacuum Flask JSC Business Description

Address 87-89, Ha Dinh, Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi, VNM
Rangdong Light Source & Vacuum Flask JSC is engaged in the manufacturing and trading of light products, electrical equipment, lighting tools, glass products and water thermos; service of science, technology and technology transfer; consulting and lighting design in civil and industrial; repairing and installing lighting equipment in civil and industrial and others.
69GF Score

Get the complete analysis for STC:RAL

Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

₫79,000.00
Price
₫89,765.72
GF Value