US STOCKS-Futures up as oil bounces; ream of data due
* Brent crude inches above $65 a barrel
* Starboard Value takes stakes in Office Depot, Staples
* Initial claims, retail sales data due
* Futures up: Dow 21 pts, S&P 3 pts, Nasdaq 1.25 pts
By Chuck Mikolajczak
NEW YORK, Dec 11 (Reuters) - U.S. stock index futures were up slightly on Thursday, after a three-day drop by the S&P 500 as oil prices advanced and ahead of a flurry of economic data.
* The benchmark S&P index dropped more than 1 percent on Wednesday and has shed 2.4 percent over the past three sessions, it's worst run in two months, as weakness in oil prices has weighed heavily on the energy sector.
* Falling oil prices have added to worries about global demand and raised concerns about earnings for energy companies, with year-end tax selling putting additional pressure on the group. The sector is down 14.7 percent for the year and is the worst performing of the 10 major S&P sectors.
* Brent crude managed to climb back above the $65 mark but remained near five-year lows while U.S. crude rose 1.1 percent to $61.60. Continuación...