NEW YORK (AP) -- Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:
Best Buy Co. Inc., up $2.35 at $19.99
The founder of the electronics retailer offered to take it private by buying the shares he doesn't own for $24 to $26 per share.
Tyson Foods Inc., down $1.23 at $14.17
The meat company said that its fiscal third-quarter net income dropped 61 percent on lower U.S. demand for chicken and beef.
Knight Capital Group Inc., down 98 cents at $3.07
The trading firm responsible for last week's stock market mayhem lined up a $400 million lifeline from other Wall Street companies.
The Interpublic Group of Cos. Inc., down 86 cents at $10.11
French advertising company Publicis Groupe denied a report that it was thinking about buying Interpublic, its American rival.
FreightCar America Inc., down $1.83 at $19.15
The maker of railroad freight cars said its second-quarter net income jumped, but profit was short of Wall Street expectations.
Pluristem Therapeutics Inc., up 49 cents at $3.80
The Israeli drugmaker said that a cancer patient's life was saved with the use of the company's Placental Expanded cells.
Tekmira Pharmaceuticals Corp., up 2 cents at $3.30
The Department of Defense issued the biopharmaceutical company a stop-work order on its contract due to budget constraints.
Cognizant Technology Solutions Corp., up $6.35 at $64.21
The information technology provider said that its net income rose in its second quarter as revenue improved on better demand.