Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies ...

Shares of technology companies declined as a tepid outlook from one major chip-equipment manufacturer cast a pall on the semiconductor sub-sector. Shares of Applied Materials plunged after the maker ...

Shares of UnitedHealth Group surged more than 9% on Friday after a fresh investment from billionaire Warren Buffett's ...

The advance came after Buffett's conglomerate Berkshire Hathaway revealed a stake of 5 million shares, worth about $1.6 ...

Soros Fund and Appaloosa both bought a whole lot more Nvidia Corp. in the second quarter. - AFP/. Soros Fund Management and ...

Tepper’s Appaloosa Management LP boosted its holdings of the health insurance giant by 2.3 million shares, valuing the stake ...

The Oracle of Omaha just took a $1.6 billion stake in the battered healthcare giant, sending shares soaring 9% after hours.

Billionaire David Tepper showcased his style as a contrarian investor, scooping up shares of beleaguered UnitedHealth Group ...

Soros Fund Management and Appaloosa Management both bought a whole lot more Nvidia Corp. stock during the second quarter, according to disclosures released Thursday, as the chip-maker occupies ...

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