Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market:
Acco Brands Corp., up $1.84 at $8.80
The branded office products maker announced that it is merging with MeadWestvaco Corp.'s consumer and office products business.
Youku.com Inc., down $3.31 at $17.24
The Chinese Internet video company posted a smaller loss in the third quarter, but the deficit was larger than Wall Street expected.
Sears Holdings Corp., down $3.11 at $65.19
The department store operator said its third-quarter loss widened, in part because of softer clothing sales at its Kmart stores.
SXC Health Solutions Corp., up $3.18 at $52.74
The pharmacy benefits manager will buy privately held HealthTrans, which also manges pharmacy benefits, for $250 million in cash.
Zoll Medical Corp., up $8.18 at $43.84
The resuscitation device maker said its fourth-quarter profit grew 65 percent on strong sales of its wearable defibrillator.
NetApp Inc., down $5.01 at $35.73
Citing the weak economy, the data storage company posted a current quarter forecast that fell short of Wall Street estimates.
Salix Pharmaceuticals Ltd., up $2.07 at $35.97
The Food and Drug Administration advisory panel supported a clinical trial to test a possible new use for the company's drug Xifaxan.
Applied Materials Inc., down 94 cents at $11.53
The California chip equipment maker said that its fourth-quarter net income dipped 3 percent as demand for its products fell.