US STOCKS-Wall St gains as Greek worry eases, S&P level eyed By: Reuters: Company News June 20, 2011 at 11:31 AM EDT * Dow up 0.6 pct, S&P up 0.4 pct, Nasdaq 0.2 pct * For up-to-the-minute market news see [STXNEWS/US] (Updates to late morning, changes byline) Read More >> Related Stocks: CBOE Volatility Index Pfizer Standard & Poors 500 Wal-Mart Stores, Inc.