Billionaire investor Warren Buffett's Berkshire Hathaway has taken a stake in Apple currently worth $900 million. David Craig for USA TODAY.
Berkshire’s frontman is still billionaire investor Warren Buffett, now 85. But change is afoot at the giant conglomerate, witnessed by a more aggressive move into areas of the stock market that Buffett once steered clear of -- such as tech stocks -- and increasing signs that decisions on what stocks...
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