The SEC has closed its investigation into David Sokol, a former top aide to Warren Buffett, for...

|By:, SA News Editor

The SEC has closed its investigation into David Sokol, a former top aide to Warren Buffett, for possible insider trading and decided not to press charges. Sokol resigned from Berkshire Hathaway (BRK.A) in 2011 after he bought shares in Lubrizol about two months before Berkshire said it was acquiring the lubricants company. It was Sokol who recommended that Berkshire purchase Lubrizol.