MARKET PULSE-Twitter, AIG, Pinnacle Foods, GM, Arotech, coal stocks
U.S. stocks rose on Monday, with the Dow hitting another all-time high and the S&P 500 moving within 1 percent of its own record. The Dow Jones industrial average was up 0.57 percent at 16,677.4, and the S&P 500 was up 0.73 percent at 1,892.23.
** TWITTER INC, $33.45, +4.37 pct
Brokerage SunTrust raised its rating on the stock of the messaging service to "buy" from "neutral", theflyonthewall.com reported. (r.reuters.com/qed39v)
** PFIZER INC, $29.16, +0.45 pct
The company defended the business case behind its plan to acquire AstraZeneca on Monday and questioned the UK drugmaker's ability to stand alone for much longer as the New York-based group's CEO prepared for a grilling from British lawmakers.