Movers roundup: Premiere Global Services, Bankrate

Among the stock activity stories for Monday, Dec. 1, from AP Financial News:

NEW YORK (AP) _ Shares of Premiere Global Services Inc. shot up Monday after an Oppenheimer & Co. analyst upgraded the stock, expecting demand for the company's Web and teleconferencing software to persist despite the economic downturn.

NEW YORK (AP) _ Shares of consumer finance Web site operator Bankrate Inc. gained Monday following an analyst upgrade, even as the broader market slumped on worries about consumer spending during the holidays.

NEW YORK (AP) _ Shares of Blue Nile Inc. declined on Monday as investors remained concerned about consumer spending and the upcoming holiday season and an analyst lowered his price target on the online jewelry retailer because of weakness in the sector.

NEW YORK (AP) _ Shares of Host Hotels & Resorts Inc. dropped sharply on Monday after an RBC Capital Markets analyst downgraded his rating on the real estate investment trust to "Sector Perform," citing a drop in demand for high-price hotel rooms.

NEW YORK (AP) _ Shares of food processor and ethanol producer Archer-Daniels-Midland Co. dropped Monday after a BMO Capital Markets analyst cut his rating, saying the stock price now accurately reflects the company's strong performance.