Movers roundup: Tercica, Vertex

Among the stock activity stories for Thursday, June 5, from AP Financial News:

NEW YORK (AP) _ Shares of Tercica Inc. nearly doubled in value Thursday afternoon after the biopharmaceutical company said it will be bought by Ipsen SA in a cash deal valuing the company at $9 per share, or $663 million. The news led analysts to boost price targets on the stock.

NEW YORK (AP) _ Vertex Pharmaceuticals Inc. shares jumped Thursday after an analyst predicted strong results and earlier approval of its hepatitis C drug candidate telaprevir

NEW YORK (AP) _ Shares of Vail Resorts Inc. slid Thursday after the ski resort operator reported its third-quarter profit climbed but significantly missed Wall Street's expectations.

NEW YORK (AP) _ Shares of Cirrus Logic Inc. rose Thursday as a Roth Capital Partners analyst said the chip maker may receive more business from iPod portable music maker Apple Inc.

NEW YORK (AP) _ Shares of Advanced Micro Devices Inc. continued to climb Thursday after the No. 2 microprocessor maker introduced a new package of chips for laptops, and analysts said the company appears committed to a plan expected to reduce costs.

NEW YORK (AP) _ Lehman Brothers Holdings Inc. rallied on Thursday, gaining back a portion of the 15 percent the shares lost during the first three days of the week, as Deutsche Bank analyst Mike Mayo said the shares have fallen too far.

NEW YORK (AP) _ Shares of Cogent Communications Group Inc. jumped Thursday to recover some of the prior day's losses on what analysts said was a new pricing plan for the broadband technology supplier.

NEW YORK (AP) _ Carl Icahn further escalated his proxy fight with Biogen Idec Inc., calling the biotechnology company's account of a failed sales process last year false.