US STOCKS-Wall St ends up as ISM data upbeat; Apple above $600
* Services sector grows in April, fastest pace in 8 months
* JPMorgan leads banks lower after trading revenue warning
* Apple shares close above $600 for the first time since Oct. 26, 2012
* Dow up 0.1 pct, S&P up 0.2 pct, Nasdaq up 0.3 pct (Updates close with latest volume, AIG down after the bell)
By Caroline Valetkevitch
NEW YORK, May 5 (Reuters) - U.S. stocks ended slightly higher as data showed strength in the services sector and Apple shares rose above $600 for the first time since late 2012.
Limiting the day's gains, however, were concerns over an escalation of tensions between Ukraine and pro-Russia separatists. Ukrainian forces were ambushed by separatists, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, a day after a Ukrainian police station in Odessa was stormed.
The Institute for Supply Management's services sector index hit the fastest pace in eight months in April, topping expectations. It was the latest report to offer upbeat news on the economy after an unusually harsh winter.
"The ISM services came out and showed pretty good growth, and that obviously brought back some buyers," said Ryan Detrick, senior technical strategist at Schaeffer's Investment Research in Cincinnati, Ohio. Continuación...