U.S. Stocks Retreat From Records After Slight Opening Losses

U.S. stocks opened marginally lower on Monday with the main indexes retreating from records set last week. Investors were cautious ahead of a busy week of events that might impact capital markets, including a European Central Bank policy meeting and U.K. general election on Thursday, as well as former Federal Bureau of Investigation Director James Comey's congressional testimony. The S&P 500 opened 2 points, or 0.1%, lower at 2,437. The Nasdaq Composite was down 1 point to 6,304 at the open. The Dow Jones Industrial Average began the session off 17 points, or 0.1%, at 21,198. Among the early gainers, shares of eBay Inc. jumped after Credit Suisse initiated coverage of the stock at outperform.