In fact, the shares have shed nearly a third of their value during the past 52 weeks.

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Bridgestone shares, which have shed more than 50% since early August, when US officials launched safety investigations, lost a further 1.13% in Tokyo on Thursday to close at 960 yen.

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As Martoma allegedly got sneak peeks at drug data, he first recommended that the hedge fund build up a massive position in Elan and Wyeth stock, and then caused the fund to shed those shares after getting a secret look at the unexpectedly bad results of a clinical drug trial.

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It said that Elliott hasn't taken into account how much company shares have risen since it began to shed previous business models.

WSJ: Hess, under pressure, to exit retail business

Shares of the Detroit-based company have shed 27% of their value so far in October and are at lows not seen since 1991.

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Shares of the drug's maker, biotech AtheroGenics of Atlanta, shed 60% of their value in premarket trading after the test results were announced.

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This time, he shed 3.58% of his holding, shrinking his shares owned to 2, 155, 611 as of Jan. 25, according to GuruFocus Real Time Picks.

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Arena's shares jumped 20% on news that its experimental pill, APD356, helped patients shed an average of 2.9 pounds in only 28 days.

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