Stocks open higher on upbeat economic data; S&P 500 extends record By: CNBC.com News May 27, 2014 at 09:30 AM EDT Stocks opened higher Tuesday, with the S&P 500 hitting a new record, as investors cheered a batch of better-than-expected economic reports. Read More >> Related Stocks: Apple Astrazeneca Plc ADR Pfizer Pilgrim's Pride Pinnacle Foods Inc Sentinelone Inc Cl A