Ulta Beauty (ULTA) shares ended the last trading session 11.2% higher at $365.80. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 17.8% loss over the past four weeks. Ulta Beauty's shares got a significant boost on Berkshire Hathaway's latest regulatory filing, which revealed a new investment in the beauty retailer, per sources. Industry experts believe that this new investment signals strong confidence in Ulta Bea ...