Chesapeake Energy (NYSE:CHK) says Aubrey McClendon will retire as CEO effective April 1. The CHK...

Chesapeake Energy (NYSE:CHK) says Aubrey McClendon will retire as CEO effective April 1. The CHK board says its extensive review of alleged conflicts of interest and other matters involving McClendon has thus far found no improper conduct; a final report will be completed in mid-February. CHK +10.6% AH.