MARKET PULSE-Santarus, Tremor, Horizon Pharma, Universal Display
(For more market insights, including options activity, click on ; for the Day Ahead newsletter link.reuters.com/mex49s; for the Morning News Call newsletter, link.reuters.com/nex49s) U.S. stock index futures advanced slightly on Friday. S&P 500 futures was up 0.11 percent, Dow Jones industrial average futures was down 0.27 percent and Nasdaq 100 futures was up 0.08 percent.
** TWITTER INC, Thursday close $44.90, up 1 pct premarket
The micro-blogging site's shares jumped 73 percent in a frenzied trading debut that drove the seven-year-old company's market value to around $25 billion and evoked the heady days of the dot-com bubble.
** MCDONALD'S CORP, Thursday close $97.2
The hamburger chain reported lower-than-expected comparable-restaurant sales for October as sales fell in Japan.
** SANTARUS INC, Thursday close $23.22, up 38 pct premarket Continued...