Merriman upgrades Taser (TASR) from neutral to buy.

Lehman (LEH) upgrades Motorola (MOT) from equal weight to overweight.

Sun Trust starts Penn Virginia with a buy and $54 price target.

Cowen upgrades Lab Corp (LH) from neutral to outperform.

RBC starts VMWare (VMW) at sector perform.

Douglas A. McIntyre