NEW YORK (AP) _ Stocks that were moving substantially or trading heavily Friday on the New York Stock Exchange and Nasdaq Stock Market.

NYSE

Borders Group Inc., up 50 cents at $26

The bookstore chain beat Wall Street profit estimates by a penny per share in the latest quarter.

MGM Mirage Inc., up $1.26 at $72.95

Unrecognized tax credits led the casino operator to increase its previously stated fourth-quarter earnings.

Nucor Corp., up $4.46 at $62.11

The steel producer raised its sales and earnings forecasts for the first quarter.

NASDAQ

J. Jill Inc., down $1.74 at $12.11

The women's apparel retailer posted a 19 percent drop in earnings and said it would have to restate past earnings as well.

Petco Animal Supplies Inc., up $2.36 at $37.35

Profits at the pet supply retailer rose 32 percent on strong sales.

TiVo Inc., down 30 cents at $4.04

The company said higher subscription acquisition costs for its TV recording service was to blame for a wider-than-expected loss for the fourth quarter.