Gap, Post Holdings, Lions Gate Entertainment, CBS, and Nvidia are big market movers

IndustriesAssociated Press

Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

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Gap Inc., up $2.37 to $42.57

The clothing retailer reported a 3 percent boost in second-quarter sales and forecast quarterly profit above Wall Street expectations.

Post Holdings Inc., down $7.08 to $37.43

The breakfast cereal maker reported a third-quarter loss on expenses and said it will buy American Blanching Co. for $128 million.

Lions Gate Entertainment Corp., up $2.28 to $32.63

The film and television production company reported a jump in quarterly profit on lower expenses, topping Wall Street expectations.

CBS Corp., up $2.33 to $59.23

The media company reported a drop in quarterly profit and revenue, but the financial results still beat Wall Street expectations.

Nasdaq

Nvidia Corp., up $1.54 to $19

The visual technology computer chip maker reported a boost in quarterly profit and revenue, beating Wall Street expectations.

Tekmira Pharmaceuticals Corp., up $6.43 to $20.70

U.S. health authorities eased safety restrictions on the company's experimental drug to treat Ebola.

MercadoLibre Inc., up $13.41 to $105.85

The e-commerce technology company reported a boost in revenue and its quarterly financial results beat Wall Street expectations.

Volcano Corp., down $3.22 to $12.56

The medical technology company plans to divest its Axsun Technologies unit and it will settle a lawsuit with St. Jude Medical.