http://www.toogbe.com/U.S./berkshire-hathaway-burlington-northern-in-focus-marketwatch/ U.S. stock futures were weaker on concerns the stock-market rally is running out of steam, though a move by Warren Buffett's Berkshire Hathaway to splash out $44 billion on Burlington Northern Santa Fe helped move markets off lows. Tue, 03 Nov 2009 09:17:07 MST en