L&K Engineering Co. Ltd. (6139.TW) stock analysis

In our weekly check, L&K Engineering Co. Ltd. is graded A (A to F). Of 25 checks on debt, profit, cash flow and trend: 21 pass, warnings: 1, red flags: 3.

About L&K Engineering Co. Ltd.

L&K Engineering Co. Ltd. is an Industrials company (Engineering & Construction) based in Taiwan, listed on TAI as 6139.TW.

What our checks show for 6139.TW

Red flags

• The price swings a lot: 59.9% annual volatility. Expect large ups and downs.
• The stock has fallen as much as 73% from a peak. Would you have held through that?
• Recovering from its deepest fall took about 7.3 years.

Warning signs

• Analysts expect the net margin to shrink by 0.1 points from today's 12.1%.

Strengths

• Debt is low: 0.13x equity.
• Operating profit covers interest 299 times over.
• The net margin rose by 10.8 points over 5 years, to 12.1%.
• The gross margin is 19.4% and has risen by 13.5 points: pricing power is holding.
• Operating cash flow is 1.26x net profit: the profit arrives as real cash.
• Analysts expect earnings per share to grow about 37.6% a year over the next years.

Next earnings report: 2026-11-17

Similar companies

601668.SS · SKA-B.ST · 2404.TW · 0390.HK · PWR

Questions

What grade does L&K Engineering Co. Ltd. (6139.TW) have?

In our weekly check, L&K Engineering Co. Ltd. is graded A (A to F). Of 25 checks on debt, profit, cash flow and trend: 21 pass, warnings: 1, red flags: 3. The grade is a risk check, not a buy or sell recommendation.

What are the main risks of 6139.TW stock?

This week's biggest flags for L&K Engineering Co. Ltd.: Very volatile, Deep past fall, Slow recovery after falls. In total 4 of 25 checks show a warning or a red flag.

What does L&K Engineering Co. Ltd. do?

L&K Engineering Co. Ltd. is an Industrials company (Engineering & Construction) based in Taiwan, listed on TAI as 6139.TW.

When does L&K Engineering Co. Ltd. report earnings next?

The next earnings report is expected on 2026-11-17. We re-run the checks every week, so the grade can change after it.

The grade is a risk check, not a price forecast, and not investment advice. In our 10-year test (S&P 500, 2016-2026), stocks we graded A or B fell more than 30% 2-3 times less often than D or F, without a lower average return.

Updated 2026-10-31

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