Medco Health Solutions up 20% Pre-Market on Acquisition by Express Scripts

Medco Health Solutions MHS is up 20% pre-market on the acquisition by Express Scripts ESRX. Under the agreement, Medco stockholders will receive $71.36 per share, or more than a 20% premium to Wednesday's closing price of $55.78. Investors will receive $28.80 in cash and 0.81 shares for each share they own. Medco Health Solutions is currently trading at $66.97 pre-market, a gain of 20.06%.