US STOCKS-S&P 500 opens at record high on oil gains, jobs data
* S&P hits 10th record high since July
* Allergan falls on forecast cut
* Mattress Firm doubles on buyout deal
* Indexes up: Dow 0.08 pct, S&P 0.09 pct, Nasdaq 0.1 pct (Updates to open)
By Yashaswini Swamynathan
Aug 8 (Reuters) - The S&P 500 opened at a record high on Monday as oil prices rose and after Friday's stellar jobs report suggested strength in the U.S. economy, boosting appetite for risk.
Oil rose 1.8 percent after a report in the Wall Street Journal last week that some OPEC members had called for a freeze in production.
Seven of the 10 major S&P 500 indexes were higher, led by a 0.96 percent rise in the energy sector.
Oil majors Exxon Mobil and Chevron rose about 0.6 percent and were the top drivers of the S&P. Continuación...