• Shares of Chesapeake Energy Corporation (NYSE:CHK) and EnCana Corporation (NYSE:ECA) plunged 8.5% and 4.1% respectively following a Reuters report according to which top officials of the firms deliberately avoided bidding against each other
• Old Republic International Corporation (NYSE:ORI) lost 10.1% after it canceled the spinoff of its subsidiary, Republic Financial Indemnity Group
• Shares of Kirby Corporation (NYSE:KEX) fell 11.1%, the highest in the past 20 months after it lowered its earnings forecast for the current quarter as well as for the full year ending December 2012
• Momenta Pharmaceuticals, Inc. (NASDAQ:MNTA) declined 22.4% after a US District Court gave a verdict in favor of rival Teva Pharmaceutical Industries Ltd (NYSE:TEVA). Teva had filed a patent infringement lawsuit for its best-selling multiple sclerosis drug Copaxone against Momenta
Read the analyst report on CHK
Read the analyst report on ECA
Read the analyst report on ORI
Read the analyst report on KEX
Read the analyst report on MNTA
Read the analyst report on TEVA
More From Zacks.com
