Sky Light Holdings Limited (HKG:3882) shareholders are no doubt pleased to see that the share price has bounced 40% in the last month, although it is still struggling to make up recently lost ground. Unfortunately, the gains of the last month did little to right the losses of the last year with the stock still down 14% over that time.

After such a large jump in price, when almost half of the companies in Hong Kong's Consumer Durables industry have price-to-sales ratios (or "P/S") below 0.4x, you may consider Sky Light Holdings as a stock not worth researching with its 3.7x P/S ratio. Although, it's not wise to just take the P/S at face value as there may be an explanation why it's so lofty.

What Does Sky Light Holdings' Recent Performance Look Like?

For example, consider that Sky Light Holdings' financial performance has been poor lately as its revenue has been in decline. Perhaps the market believes the company can do enough to outperform the rest of the industry in the near future, which is keeping the P/S ratio high. However, if this isn't the case, investors might get caught out paying too much for the stock.

What Are Revenue Growth Metrics Telling Us About The High P/S?

There's an inherent assumption that a company should far outperform the industry for P/S ratios like Sky Light Holdings' to be considered reasonable.

Taking a look back first, the company's revenue growth last year wasn't something to get excited about as it posted a disappointing decline of 23%. As a result, revenue from three years ago have also fallen 26% overall. So unfortunately, we have to acknowledge that the company has not done a great job of growing revenue over that time.

Weighing that medium-term revenue trajectory against the broader industry's one-year forecast for expansion of 14% shows it's an unpleasant look.

With this in mind, we find it worrying that Sky Light Holdings' P/S exceeds that of its industry peers. Apparently many investors in the company are way more bullish than recent times would indicate and aren't willing to let go of their stock at any price. Only the boldest would assume these prices are sustainable as a continuation of recent revenue trends is likely to weigh heavily on the share price eventually.

What Does Sky Light Holdings' P/S Mean For Investors?

Shares in Sky Light Holdings have seen a strong upwards swing lately, which has really helped boost its P/S figure. Typically, we'd caution against reading too much into price-to-sales ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

Our examination of Sky Light Holdings revealed its shrinking revenue over the medium-term isn't resulting in a P/S as low as we expected, given the industry is set to grow. When we see revenue heading backwards and underperforming the industry forecasts, we feel the possibility of the share price declining is very real, bringing the P/S back into the realm of reasonability. Unless the the circumstances surrounding the recent medium-term improve, it wouldn't be wrong to expect a a difficult period ahead for the company's shareholders.

There are also other vital risk factors to consider and we've discovered 4 warning signs for Sky Light Holdings (2 don't sit too well with us!) that you should be aware of before investing here.

If these risks are making you reconsider your opinion on Sky Light Holdings, explore our interactive list of high quality stocks to get an idea of what else is out there.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.