Movers roundup: Chesapeake Energy, TriQuint

Among the stock activity stories for Thursday, Oct. 22, from AP Financial News:

NEW YORK (AP) — Shares of Chesapeake Energy fell as an analyst downgraded the natural gas company, saying its stock has appreciated to a fair level, having rallied 53 percent in the past six months.

HILLSBORO, Ore. (AP) — Shares of TriQuint Semiconductor Inc. plunged after the mobile phone chip maker's third-quarter revenue fell below estimates and it said a key customer was cutting orders.

BOSTON (AP) — Shares of Alliance Data Systems Corp. tumbled after analysts offered mostly negative assessments of the company's third-quarter results and earnings outlook for next year.

ALISO VIEJO, Calif. (AP) — Shares of network equipment maker QLogic Corp. rose more than 5 percent after the company's results beat fiscal second-quarter profit estimates and it gave a conservative forecast.

BOSTON (AP) — Shares of Ameriprise Financial Inc. surged to a new year-high after the financial services company posted a third-quarter profit that beat Wall Street's expectations, prompting an analyst to upgrade the stock.