Without fanfare, Berkshire Hathaway shares have climbed to all-time high
While investors have been fretting over the direction of interest rates, the rise in crude oil prices, the state of the US consumer and any number of other things in recent weeks, the B class shares in investment giant Berkshire Hathaway (BRK.B:NYSE) have sailed serenely to a new all-time high of $363 almost completely undetected.Since 1965, when Warren Buffett - the so-called Sage of Omaha - took