Movers Roundup: AK Steel, OfficeMax

Among the stock activity stories for Monday, April 13, from AP Financial News:

NEW YORK (AP) — AK Steel Holding Corp. stock jumped Monday after an analyst upgraded his rating on the shares and nearly doubled his price target, saying the steel producer's costs are variable, meaning it can benefit from cheaper iron ore, and its balance sheet is quite strong.

NEW YORK (AP) — OfficeMax Inc.'s shares rose on Monday as an analyst said he expects the office-supply retailer's results will improve in the long term and upgraded the stock to "Buy."

NEW YORK (AP) — Shares of Susquehanna Bancshares Inc. tumbled Monday as a handful of analysts cut their profit estimates on the regional bank after it said it expects to report that first-quarter results fell short of expectations.

NEW YORK (AP) — Shares of Tempur-Pedic International Inc. dropped on Monday after an analyst downgraded the mattress maker's stock to "Neutral" from "Buy," citing a run-up in stock price over the past month and a difficult outlook for high-end bedding.