MARKET PULSE-Facebook, Blackberry, Apple, Nokia
Feb 12 (Reuters) - Some U.S. stocks to watch on Tuesday:
STOCK INDEX FUTURES SIGNAL LOWER OPEN
Futures for the S&P 500 were down 0.2 percent, Dow Jones futures were down 0.2 percent and Nasdaq 100 futures were down 0.1 percent at 1019 GMT.
** FACEBOOK INC, Monday close $28.26, down 3 pct premarket
The company was sued by Rembrandt Social Media, a patent-holding company that claims Facebook is infringing a technology that patents the "like" function used on the social network. Continued...