Movers roundup: Venoco, 99 Cents Only Stores

Among the stock activity stories for Wednesday, June 10, from AP Financial News:

SIOUX FALLS, S.D. (AP) _ Shares of Venoco Inc. rose Wednesday after the independent oil and gas producer increased its 2009 production guidance by 6.6 percent while reducing its operating expense estimate.

NEW YORK (AP) _ Shares of discount retailer 99 Cents Only Stores Inc. shot up after the company beat profit expectations in its fiscal fourth quarter and improved operating margins.

NEW YORK (AP) _ Shares of Ameriprise Financial Inc. lost ground Wednesday after the financial adviser announced plans to raise $900 million through a public stock offering.

NEW YORK (AP) _ NCI Building Systems Inc. stock plummeted Wednesday after an analyst slashed her earnings estimate and expressed concern about share price dilution from a possible equity investment in the struggling building components maker.

NEW YORK (AP) _ Shares of Isle of Capri Casinos Inc. surged Wednesday after the casino operator reported a fourth-quarter profit that handily beat Wall Street's expectations.