Delek (DK -6.7%) shares sink on disclosure that its CEO recently sold 144,009 shares at $25...

Delek (DK -6.7%) shares sink on disclosure that its CEO recently sold 144,009 shares at $25 each, worth ~$3.6M. Also noteworthy: Credit Suisse cuts its rating for DK and refining peers Western Refining (WNR -2.6%), Marathon Petroleum (MPC -3.6%) and Phillips 66 (PSX -2.1%) to Neutral.