US STOCKS-Wall St dips with financials; Twitter down as lock-up expires
* AIG shares slip after posting decline in earnings
* Office Depot to close 400 U.S. stores; shares rally
* U.S. trade deficit narrows in March, exports rebound
* Indexes down: Dow 0.5 pct; S&P 0.4 pct; Nasdaq 0.4 pct
By Angela Moon
NEW YORK, May 6 (Reuters) - Wall Street edged lower on Tuesday, led by losses in financial stocks, while the technology sector was weighed by a selloff in shares of Twitter.
American International Group shares fell 2.3 percent to $51.54, a day after posting a 27 percent drop in quarterly income. The financial sector saw the biggest decline, with the S&P financial index down 0.8 percent.
Among early decliners in the technology sector was Twitter , which slumped nearly 10 percent to $35.01 after the expiration of a six-month "lock-up" period that had restricted the sale of about 82 percent of its outstanding equity.
Athenahealth Inc shares slumped 11 percent to $111.88, a day after hedge fund manager David Einhorn said his Greenlight Capital was betting against the company. Continuación...