MarketWatch | US stocks slip as oil rebound falters MarketWatch U.S. stocks slipped Thursday, after a rebound in oil prices fizzled out and a flurry of economic data pointed to continued lackluster U.S. growth. The S&P 500 SPX, -0.12% declined 2 points, or 0.1%, to 1,984. The energy sector advanced the most, rising ... S&P 500 slides below closely watched threshold |