Ulta Beauty Inc (NASDAQ:ULTA) is up 14.5% to trade at $366.88 at last check, amid news that Warren Buffett's Berkshire Hathaway (BRK) took a $266 million stake in the cosmetics retailer. Shares are bouncing off an Aug. 13, three-year low of $318.72, as they pace for their first close above the 20- day moving average in nearly a month. The equity still carries a 24.8% year-to-date deficit, though. Options are flying off the shelves, with 9,733 calls and 5,447 puts traded so far, which is 14 times the intrada ...