Sinostar Cable Co., Ltd's (SZSE:300933) 43% Price Boost Is Out Of Tune With Earnings

Sinostar Cable Co., Ltd (SZSE:300933) shareholders have had their patience rewarded with a 43% share price jump in the last month. But the gains over the last month weren't enough to make shareholders whole, as the share price is still down 8.3% in the last twelve months.

Since its price has surged higher, Sinostar Cable may be sending very bearish signals at the moment with a price-to-earnings (or "P/E") ratio of 56.9x, since almost half of all companies in China have P/E ratios under 33x and even P/E's lower than 20x are not unusual. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/E.

For instance, Sinostar Cable's receding earnings in recent times would have to be some food for thought. It might be that many expect the company to still outplay most other companies over the coming period, which has kept the P/E from collapsing. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

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Is There Enough Growth For Sinostar Cable?

The only time you'd be truly comfortable seeing a P/E as steep as Sinostar Cable's is when the company's growth is on track to outshine the market decidedly.

Retrospectively, the last year delivered a frustrating 6.5% decrease to the company's bottom line. This means it has also seen a slide in earnings over the longer-term as EPS is down 42% in total over the last three years. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

In contrast to the company, the rest of the market is expected to grow by 37% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

With this information, we find it concerning that Sinostar Cable is trading at a P/E higher than the market. 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 earnings trends is likely to weigh heavily on the share price eventually.

The Key Takeaway

Sinostar Cable's P/E is flying high just like its stock has during the last month. While the price-to-earnings ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of earnings expectations.

Our examination of Sinostar Cable revealed its shrinking earnings over the medium-term aren't impacting its high P/E anywhere near as much as we would have predicted, given the market is set to grow. When we see earnings heading backwards and underperforming the market forecasts, we suspect the share price is at risk of declining, sending the high P/E lower. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these prices as being reasonable.

It's always necessary to consider the ever-present spectre of investment risk. We've identified 2 warning signs with Sinostar Cable, and understanding these should be part of your investment process.

It's important to make sure you look for a great company, not just the first idea you come across. So take a peek at this free list of interesting companies with strong recent earnings growth (and a low P/E).

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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.