Stocks open lower after Dow, S&P 500 hit fresh highs By: CNBC.com News June 03, 2014 at 09:30 AM EDT Stocks opened in the red Tuesday as investors seemed to take a breather after the Dow and S&P 500 hit all-time highs. Read More >> Related Stocks: AT&T Inc Atlantic Power Corp Barclays Plc ADR Dollar General Pilgrim's Pride Sentinelone Inc Cl A Tyson Foods Wal-Mart Stores, Inc.