(WG, MHS, ESRX, EXXI, ANN) Price Targets Changed at UBS

UBS has changed its price target on the following companies: Willbros Group WG from $9.10 to $7.75. Medco Health Solutions MHS from $70 to $76. Express Scripts ESRX from $63 to $66. Energy XXI EXXI from $26 to $34. Ann Taylor ANN from $30 to $32.