Costain Group's (LON:COST) Shareholders Are Down 88% On Their Shares

It is doubtless a positive to see that the Costain Group PLC (LON:COST) share price has gained some 37% in the last three months. But that doesn't change the fact that the returns over the last three years have been stomach churning. To wit, the share price sky-dived 88% in that time. So it's about time shareholders saw some gains. Of course the real question is whether the business can sustain a turnaround.

We really hope anyone holding through that price crash has a diversified portfolio. Even when you lose money, you don't have to lose the lesson.

View our latest analysis for Costain Group

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. One flawed but reasonable way to assess how sentiment around a company has changed is to compare the earnings per share (EPS) with the share price.

Costain Group saw its share price decline over the three years in which its EPS also dropped, falling to a loss. Since the company has fallen to a loss making position, it's hard to compare the change in EPS with the share price change. But it's safe to say we'd generally expect the share price to be lower as a result!

The graphic below depicts how EPS has changed over time (unveil the exact values by clicking on the image).

We consider it positive that insiders have made significant purchases in the last year. Even so, future earnings will be far more important to whether current shareholders make money. It might be well worthwhile taking a look at our free report on Costain Group's earnings, revenue and cash flow.

A Different Perspective

We regret to report that Costain Group shareholders are down 62% for the year. Unfortunately, that's worse than the broader market decline of 6.3%. However, it could simply be that the share price has been impacted by broader market jitters. It might be worth keeping an eye on the fundamentals, in case there's a good opportunity. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 13% over the last half decade. We realise that Baron Rothschild has said investors should "buy when there is blood on the streets", but we caution that investors should first be sure they are buying a high quality business. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. Even so, be aware that Costain Group is showing 2 warning signs in our investment analysis , and 1 of those is potentially serious...

There are plenty of other companies that have insiders buying up shares. You probably do not want to miss this free list of growing companies that insiders are buying.

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on GB exchanges.

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