 By JustMarkets The US indices traded yesterday without a single trend. Dips in healthcare and energy stocks offset gains in the high-tech sector. At the close of trading yesterday, the Dow Jones index US30 decreased by 0.34, while the SP500 index US500 lost 0.08. The NASDAQ Technology Index US100 gained 0.63 on Monday. Goldman Sachs analysts believe the US economy will ...... 