IBM (IBM) volatility at 25; shares up on Buffett purchasing 5.4% of company; shares near record high

IBM (NYSE: IBM) is recently up $1.98 to $189.36 in pre-open trading on Warren Buffett's Berkshire Hathaway Inc. (NYSE: BRK-B) taking a $10.7B stake in the company. Overall option implied volatility of 25 is near its 26-week average according to Track Data.

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