US STOCKS SNAPSHOT-Wall St extends gains, hits session high
June 21, 2011 at 11:47 AM EDT
NEW YORK, June 21 (Reuters) - U.S. stocks extended gains on Tuesday, with the Nasdaq Composite up 2 percent and the Dow and S&P 500 at session highs as optimism over a confidence vote for Greece and better-than-expected housing data boosted investor appetite for equities.