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Further weakness as Bio-Rad Laboratories (NYSE:BIO) drops 5.0% this week, taking three-year losses to 61%

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If you are building a properly diversified stock portfolio, the chances are some of your picks will perform badly. Long term Bio-Rad Laboratories, Inc. (NYSE:BIO) shareholders know that all too well, since the share price is down considerably over three years. Regrettably, they have had to cope with a 61% drop in the share price over that period. And more recent buyers are having a tough time too, with a drop of 27% in the last year. The falls have accelerated recently, with the share price down 29% in the last three months.

Given the past week has been tough on shareholders, let's investigate the fundamentals and see what we can learn.

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There is no denying that markets are sometimes efficient, but prices do not always reflect underlying business performance. 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.

Bio-Rad Laboratories has made a profit in the past. However, it made a loss in the last twelve months, suggesting profit may be an unreliable metric at this stage. Other metrics may better explain the share price move.

Arguably the revenue decline of 4.7% per year has people thinking Bio-Rad Laboratories is shrinking. And that's not surprising, since it seems unlikely that EPS growth can continue for long in the absence of revenue growth.

You can see how earnings and revenue have changed over time in the image below (click on the chart to see the exact values).

earnings-and-revenue-growth
NYSE:BIO Earnings and Revenue Growth April 4th 2025

If you are thinking of buying or selling Bio-Rad Laboratories stock, you should check out this FREE detailed report on its balance sheet .

A Different Perspective

Bio-Rad Laboratories shareholders are down 27% for the year, but the market itself is up 4.8%. Even the share prices of good stocks drop sometimes, but we want to see improvements in the fundamental metrics of a business, before getting too interested. Regrettably, last year's performance caps off a bad run, with the shareholders facing a total loss of 7% per year over five years. 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. Before spending more time on Bio-Rad Laboratories it might be wise to click here to see if insiders have been buying or selling shares.

For those who like to find winning investments this free list of undervalued companies with recent insider purchasing, could be just the ticket.