Those holding Southern Packaging Group Limited (SGX:BQP) shares would be relieved that the share price has rebounded 27% in the last thirty days, but it needs to keep going to repair the recent damage it has caused to investor portfolios. The last 30 days bring the annual gain to a very sharp 26%.

Although its price has surged higher, you could still be forgiven for feeling indifferent about Southern Packaging Group's P/S ratio of 0.3x, since the median price-to-sales (or "P/S") ratio for the Packaging industry in Singapore is also close to 0.8x. 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 Southern Packaging Group Has Been Performing

The revenue growth achieved at Southern Packaging Group over the last year would be more than acceptable for most companies. Perhaps the market is expecting future revenue performance to only keep up with the broader industry, which has keeping the P/S in line with expectations. If that doesn't eventuate, then existing shareholders probably aren't too pessimistic about the future direction of the share price.

Want the full picture on earnings, revenue and cash flow for the company? Then our free report on Southern Packaging Group will help you shine a light on its historical performance.

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

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

Retrospectively, the last year delivered a decent 15% gain to the company's revenues. Revenue has also lifted 17% in aggregate from three years ago, partly thanks to the last 12 months of growth. So we can start by confirming that the company has actually done a good job of growing revenue over that time.

This is in contrast to the rest of the industry, which is expected to grow by 21% over the next year, materially higher than the company's recent medium-term annualised growth rates.

With this in mind, we find it intriguing that Southern Packaging Group's P/S is comparable to that of its industry peers. Apparently many investors in the company are less bearish than recent times would indicate and aren't willing to let go of their stock right now. Maintaining these prices will be difficult to achieve as a continuation of recent revenue trends is likely to weigh down the shares eventually.

What Does Southern Packaging Group's P/S Mean For Investors?

Southern Packaging Group appears to be back in favour with a solid price jump bringing its P/S back in line with other companies in the industry 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.

We've established that Southern Packaging Group's average P/S is a bit surprising since its recent three-year growth is lower than the wider industry forecast. Right now we are uncomfortable with the P/S as this revenue performance isn't likely to support a more positive sentiment for long. Unless the recent medium-term conditions improve, it's hard to accept the current share price as fair value.

It is also worth noting that we have found 4 warning signs for Southern Packaging Group (3 are potentially serious!) that you need to take into consideration.

It's important to make sure you look for a great company, not just the first idea you come across. So if growing profitability aligns with your idea of a great company, 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.