U.S. markets extend the 2012 uptrend By: MarketWatch January 10, 2012 at 11:10 AM EST After breaking out to start the year, the major U.S. benchmarks continue to press higher. Read More >> Related Stocks: Continental Resources Energy Select Sector SPDR Nike Inc Nuance Communicatns S&P Depository Receipts Shutterfly Inc Transportation Average Ishares ETF