Stocks Lose Power As Oil Prices Fall; Energy Leads S&P Lower

It was looking to be promising day for U.S. stocks. Futures were rising in pre-market action, buoyed by strong European markets and earnings from the likes of Halliburton (HAL). But a rise in futures is not a guarantee that stock indices won’t turn on a dime. Less than an hour the opening bell, the major stock benchmarks [...]