U.S. Stocks Rise as M&A Spurs Investor Optimism; Molycorp Jumps

a metal processor and Minmetals Resources Ltd. offered to purchase Perth-based Equinox Minerals Ltd. for $6.5 billion. Pfizer Inc., the world���s largest drugmaker, gained 0.6 percent after selling Capsugel to Kohlberg Kravis Roberts & Co. for $2.38...