• Chesapeake Energy Corporation’s (CHK) shares jumped 19.7% after the company confirmed its $4 billion line of credit following an amended agreement with its lenders • Shares of Hatteras Financial Corp (HTS) increased 10.8% after Annaly Capital Management Inc. (NLY) decided to acquire Hatteras Financial for $1.5 billion • Norfolk Southern Corporation (NSC) shares decreased 2.7% after Canadian Pacific Railway Limited (CP) called off its merger deal with Norfolk Southern • Shares of Yahoo! Inc. (YHOO) rose 1.1% after U.K.’s Daily Mail showed interest in bidding for Yahoo’s assets Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report CHESAPEAKE ENGY (CHK): Free Stock Analysis Report NORFOLK SOUTHRN (NSC): Free Stock Analysis Report ANNALY CAP MGMT (NLY): Free Stock Analysis Report CDN PAC RLWY (CP): Free Stock Analysis Report YAHOO! INC (YHOO): Free Stock Analysis Report To read this article on Zacks.com click here.