Citi analyst Robyn Karnauskas raised her price target for TESARO shares to $232 from $151 after Reuters reported takeover interest in the name. The stock closed yesterday up $19.73, or 12%, to $182.68. Karnauskas says the new price target incorporates a premium for a potential acquisition of the company. A buyout is likely but it could take time, and a premium for an acquisition will likely remain in shares, the analyst tells investors in a research note. Karnauskas believes it makes sense for TESARO management to wait and maximize the value of its pipeline for buyers to see. She keeps a Buy rating on the shares.