mfox@businessinsider.com (Matthew Fox) / Insider
Taiwan Semiconductor soars 14% after Warren Buffetts Berkshire Hathaway buys $4 billion stake – There is no indication of whether Warren Buffett initiated the stake in Taiwan Semi or if one of his portfolio managers did.warren buffett JOHANNES EISELE/AFP via Getty Images Taiwan Semiconductor stock surged as much as 14% on Tuesday after Warren Buffetts Berkshire Hathaway revealed a stake in the company. According …