MARKET PULSE-Santarus, Tremor, Tesla, Chemocentryx, Durect, Gap
(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 on Friday, indicating the S&P 500 will rebound from its biggest daily decline since late August, ahead of a key report on the labor market. S&P 500 futures was up 0.28 percent, Dow Jones industrial average futures was up 0.09 percent and Nasdaq 100 futures was up 0.23 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.
** SANTARUS INC, Thursday close $23.22, up 37 pct after market
** SALIX PHARMACEUTICALS LTD, Thursday close $71.31, up 9.3 pct after market
Salix said it will buy Santarus for about $2.6 billion, gaining two new gastroenterology drugs to strengthen its leading presence in that market.