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Lessons for investors in Ranbaxy's repeated problems

The repeated problems at Ranbaxy hold an important lesson for investors

So, Ranbaxy is at it again. The US FDA has again cracked down upon drug company's manufacturing practices and banned the output of a major pant from being imported into the US. On 24th January, the day that the news broke, the stock fell by almost 20 per cent. Of course, one could say that those who have invested in it had it coming. Over the last few years, the company has regularly been in trouble with US regulators. Periodically, it claims that all the issues are now fixed but every time, it has turned out that this is not the case.

From an investment perspective, Ranbaxy is an interesting case. Whenever the company has gotten into regulatory trouble and its stock price has fallen sharply, investors--including fund managers and other professional investors--have believed that it would mend its ways and taken the fallen stock price as a good buy. They've done so because they have believed that the troubles stem from the old management and the new Japanese owners would set things right. And yet, they've been proved wrong every time. Despite this, some XX mutual funds have at least some Ranbaxy stock in their portfolios.

And yet, the premise is a reasonable one. If Ranbaxy had managed to clean up its act, it would have been a fine investment, as was Satyam for those who bought it soon after the Raju scandal broke. After all, fraud and regulatory failure is something that investors can't actually plan for but can happen any time in practically any business. For investors' the solution is a simple one, which is diversification. Dozens of equity mutual funds are invested in Ranbaxy, where typically it's one of a portfolio 30 or more stocks. A major purpose of diversification is to guard investors against such outlier shocks, and episodes like Ranbaxy and Satyam prove the value of this approach.





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