Gap, Dynegy, Foot Locker, Keurig, and GameStop are big market movers

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

NYSE

Gap Inc., up $2.25 to $45.43

The clothing and apparel retailer reported a 10 percent jump in quarterly profit, topping expectations, and raised its guidance.

Dynegy Inc., up $2.60 to $32.32

The power producer plans to spend more than $6 billion to buy power generation plants from Duke Energy and Energy Capital Partners.

GameStop Corp., up $2.41 to $42.90

The video game retailer reported a surge in quarterly profit on strong sales of game consoles, beating Wall Street expectations.

Foot Locker Inc., up $1.55 to $54.12

The athletic footwear and apparel retailer reported a jump in quarterly profit and revenue, beating Wall Street expectations.

Nasdaq

Peregrine Semiconductor Corp., up $4.84 to $12.53

Japan's Murata Manufacturing Co. is buying the remainder of the chipmaker that it doesn't already own for $465 million in cash.

Ross Stores Inc., up $5.12 to $74.37

The retailer reported an increase in quarterly profit on higher sales and better margins, beating Wall Street expectations.

Keurig Green Mountain Inc., up $15.61 to $133.36

The coffee and coffeemaker company signed a licensing and distribution deal to make Kraft coffee in single-cup brewing packs.

The Fresh Market Inc., up $2.46 to $32.89

The specialty food retailer reported a drop in quarterly profit, but the financial results beat Wall Street expectations.