Movers roundup: DemandTec, Ameriprise

Among the stock activity stories for Wednesday, Jan. 14, from AP Financial News:

SAN CARLOS, Calif. (AP) _ Shares of DemandTec Inc. rose Wednesday after an analyst upgraded the stock based on the likelihood the price-management software company will beat Wall Street estimates in its next fiscal year.

DES MOINES, Iowa (AP) _ Shares of Ameriprise Financial Inc. fell nearly 6 percent Wednesday as the broader market declined and an analyst report indicated challenging quarters ahead for asset managers.

NEW YORK (AP) _ Shares of Chipotle Mexican Grill Inc. fell Wednesday after a Wedbush Morgan Securities analyst said a recent hike in menu prices may restrict sales growth at the restaurant chain.

NEW YORK (AP) _ Shares of online auction site eBay Inc. tumbled Wednesday as a dismal reading on December's retail sales and concerns about the banking industry sent Wall Street sharply lower.

NEW YORK (AP) _ Shares of Cliffs Natural Resources Inc. plunged Wednesday after the mining company said it will defer revenue recognition of 1.2 million tons of iron ore for 2008.

NEW YORK (AP) _ Amgen Inc. has sold $2 billion worth of senior notes, according to a filing with the Securities and Exchange Commission late Tuesday.

NEW YORK (AP) _ A vote in Colorado to loosen some gambling restrictions in Black Hawk should benefit Ameristar Casinos Inc. in the latter half of the year, an analyst said Wednesday.

NEW YORK (AP) _ Shares of BPZ Resources Inc. plunged on Wednesday, extending losses just days after it ended talks with Royal Dutch Shell PLC to jointly develop properties in northwest Peru, and after an analyst slashed the company's rating.

BALTIMORE (AP) _ Shares of athletic apparel maker Under Armor Inc. fell more than 15 percent Wednesday after the company forecast quarterly and full-year results far below analysts' expectations, saying wholesale orders are down and cancellations are up amid the dismal retail environment.