J-Long Group Limited (NASDAQ:JL) shareholders that were waiting for something to happen have been dealt a blow with a 29% share price drop in the last month. Longer-term shareholders will rue the drop in the share price, since it's now virtually flat for the year after a promising few quarters.

Even after such a large drop in price, it's still not a stretch to say that J-Long Group's price-to-sales (or "P/S") ratio of 0.3x right now seems quite "middle-of-the-road" compared to the Retail Distributors industry in the United States, where the median P/S ratio is around 0.7x. While this might not raise any eyebrows, if the P/S ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

How J-Long Group Has Been Performing

For example, consider that J-Long Group's financial performance has been poor lately as its revenue has been in decline. Perhaps investors believe the recent revenue performance is enough to keep in line with the industry, which is keeping the P/S from dropping off. If not, then existing shareholders may be a little nervous about the viability of the share price.

How Is J-Long Group's Revenue Growth Trending?

The only time you'd be comfortable seeing a P/S like J-Long Group's is when the company's growth is tracking the industry closely.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 26%. This has soured the latest three-year period, which nevertheless managed to deliver a decent 21% overall rise in revenue. Accordingly, while they would have preferred to keep the run going, shareholders would be roughly satisfied with the medium-term rates of revenue growth.

When compared to the industry's one-year growth forecast of 2.4%, the most recent medium-term revenue trajectory is noticeably more alluring

With this information, we find it interesting that J-Long Group is trading at a fairly similar P/S compared to the industry. It may be that most investors are not convinced the company can maintain its recent growth rates.

What We Can Learn From J-Long Group's P/S?

With its share price dropping off a cliff, the P/S for J-Long Group looks to be in line with the rest of the Retail Distributors industry. While the price-to-sales ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of revenue expectations.

To our surprise, J-Long Group revealed its three-year revenue trends aren't contributing to its P/S as much as we would have predicted, given they look better than current industry expectations. There could be some unobserved threats to revenue preventing the P/S ratio from matching this positive performance. It appears some are indeed anticipating revenue instability, because the persistence of these recent medium-term conditions would normally provide a boost to the share price.

Before you settle on your opinion, we've discovered 5 warning signs for J-Long Group (4 are significant!) that you should be aware of.

If you're unsure about the strength of J-Long Group's business, why not explore our interactive list of stocks with solid business fundamentals for some other companies you may have missed.

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