Movers roundup: Knot, Quanta Services

NEW YORK (AP)--Shares of wedding Web site operator Knot Inc. retreated Wednesday ahead of its third-quarter earnings report, scheduled for Thursday. An analyst downgraded the stock amid concerns the about the effects of the economic downturn.

NEW YORK (AP)--Shares in Quanta Services Inc., which builds and maintains energy infrastructure, plunged Wednesday after the company issued a weaker-than-expected forecast for the fourth quarter.

MINNEAPOLIS (AP)--Shares of Textron Inc. fell Wednesday after the aerospace and defense company said its Cessna aircraft unit would cut production because of the soft economy.

HARTFORD, Conn. (AP)--Shares of Waste Management Inc. fell Wednesday as an analyst reduced his profit expectations and another analyst said a recovery in trash hauling is not expected until the second half of 2009.

NEW YORK (AP)--Shares of Tenet Healthcare Corp. dropped Wednesday, as the hospital operator's weak third-quarter results and forecasts led Wall Street to predict further difficulties in 2009.

NEW YORK (AP)--Shares of SunPower Corp. lost more than a quarter of their value Wednesday after the solar cell and panel maker said currency conversion will likely hurt fourth-quarter and fiscal 2009 earnings.

PITTSBURGH (AP)--Shares of Boeing Co. dropped Wednesday as an analyst warned the aerospace company's profit may decline because of new problems with fasteners that could further delay deliveries of its 787 airplane.

NEW YORK (AP)--Shares of Revlon Inc. slipped on Wednesday following third-quarter results that one analyst said looked "like a step backward" for the cosmetics company.

NEW YORK (AP)--Shares of Foster Wheeler Ltd. tumbled Wednesday after the engineering and construction company reported third-quarter results just below Wall Street expectations.