The Associated PressNEW YORK (AP) ¿ The following stocks were among those that moved substantially or traded heavily Wednesday on the New York Stock Exchange and the Nasdaq Stock Market: NYSE: Delta Air Lines Inc., up 67 cents to $9.29 A Delta executive said the carrier would be careful to keep capacity on pace with demand and urged other airlines to do the same. GameStop Corp., down $1.97 at $21.87 Wal-Mart is offering deals on video games and the Nintendo Wii leading up the holidays, which could undercut GameStop's sales. Walgreen Co., down $1.17 at $38.20 The drug store operator posted disappointing November sales. Analysts said plans to improve stores and product lines are hurting results. Newpark Resources Inc., up 51 cents at $3.16 A Raymond James analyst upgraded the company, which treats and disposes of oilfield waste, to "outperform" on prospects of higher profits. Constellation Brands Inc., down 48 cents at $16.77 A Goldman Sachs analyst downgraded the wine and spirits company to "sell," saying consumers are spending less on alcohol. NASDAQ: Diedrich Coffee Inc., up $1.16 at $35.13 The coffee company is the target of a bidding war between Green Mountain Coffee Roasters Inc. and Peet's Coffee & Tea Inc. Dyax Corp., up 73 cents at $4.23 It received Food and Drug Administration approval to market Kalbitor for treatment of the genetic disorder hereditary angioedema. Santarus Inc., up 37 cents at $4.66 The Food and Drug Administration approved Merck's over-the-counter version of the Santarus prescription heartburn drug Zegerid.