Shanghai STEP Electric Corporation's (SZSE:002527) price-to-sales (or "P/S") ratio of 1.2x may look like a pretty appealing investment opportunity when you consider close to half the companies in the Machinery industry in China have P/S ratios greater than 2.3x. However, the P/S might be low for a reason and it requires further investigation to determine if it's justified.

What Does Shanghai STEP Electric's Recent Performance Look Like?

For example, consider that Shanghai STEP Electric's financial performance has been pretty ordinary lately as revenue growth is non-existent. Perhaps the market believes the recent lacklustre revenue performance is a sign of future underperformance relative to industry peers, hurting the P/S. If not, then existing shareholders may be feeling optimistic about the future direction of the share price.

Do Revenue Forecasts Match The Low P/S Ratio?

Shanghai STEP Electric's P/S ratio would be typical for a company that's only expected to deliver limited growth, and importantly, perform worse than the industry.

If we review the last year of revenue, the company posted a result that saw barely any deviation from a year ago. Whilst it's an improvement, it wasn't enough to get the company out of the hole it was in, with revenue down 25% overall from three years ago. So unfortunately, we have to acknowledge that the company has not done a great job of growing revenue over that time.

In contrast to the company, the rest of the industry is expected to grow by 22% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

With this in mind, we understand why Shanghai STEP Electric's P/S is lower than most of its industry peers. However, we think shrinking revenues are unlikely to lead to a stable P/S over the longer term, which could set up shareholders for future disappointment. There's potential for the P/S to fall to even lower levels if the company doesn't improve its top-line growth.

The Final Word

We'd say the price-to-sales ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

As we suspected, our examination of Shanghai STEP Electric revealed its shrinking revenue over the medium-term is contributing to its low P/S, given the industry is set to grow. At this stage investors feel the potential for an improvement in revenue isn't great enough to justify a higher P/S ratio. Unless the recent medium-term conditions improve, they will continue to form a barrier for the share price around these levels.

Before you settle on your opinion, we've discovered 2 warning signs for Shanghai STEP Electric (1 is potentially serious!) that you should be aware of.

If these risks are making you reconsider your opinion on Shanghai STEP Electric, 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.