US STOCKS-Wall St down after air strikes on Yemen, but off lows
* Oil jumps after air strikes on Yemen
* SanDisk tumbles in premarket after outlook cut
* Weekly jobless claims less than expected
* Flash Markit services sector PMI on tap
* Indexes off: Dow 0.44 pct, S&P 0.42 pct, Nasdaq 0.54 pct (Adds Markit data)
By Chuck Mikolajczak
NEW YORK, March 26 (Reuters) - U.S. stocks declined on Thursday after Saudi Arabia and its allies launched air strikes on Yemen, but were off session lows as the S&P 500 attempted to hold a key technical level.
Oil prices climbed, with Brent crude up 2.5 percent to $57.89 and U.S. crude up 1.4 percent to $49.92 after warplanes from Saudi Arabia and its allies struck Shi'ite Muslim rebels fighting to oust Yemen's president. Halliburton shares gained 1.5 percent to $44.12.
"The reason the markets are finally paying attention to what is going on there is because Saudi Arabia is coming up against Iran and the outcome is absolutely uncertain at this point in time," said Keith Bliss, senior vice-president at Cuttone & Co in New York. Continuación...