Company News for August 7, 2012 - Corporate Summary

"    Chesapeake Energy Corporation (NYSE:CHK) posted second quarter earnings per share of $0.06, missing the Zacks Consensus Estimate of $0.08

"    Cognizant Technology Solutions Corp. (NASDAQ:CTSH) reported second quarter earnings per share of $0.82, beating the Zacks Consensus Estimate of $0.80

"    Shares of Tyson Foods, Inc. (NYSE:TSN) plunged 8% after it posted third quarter earnings per share of $0.50, lower than the Zacks Consensus Estimate of $0.55

"    The AES Corporation (NYSE:AES) reported second quarter earnings per share of $0.14, falling shy of the Zacks Consensus Estimate of $0.26