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

NYSE

Alliance Gaming Corp., down $2.69 at $12.37

The gambling machine manufacturer warned that it expects to post a loss for the first quarter.

Merck & Co. Inc., up 78 cents at $33.78

A number of analysts reiterated their positive views on the drugmaker after it announced it would pull its bestselling arthritis drug, Vioxx, from the market due to health issues.

Tupperware Corp., up 92 cents at $17.90

The kitchenware maker issued a positive earnings forecast.

NASDAQ

BE Aerospace Inc., up 99 cents at $10.09

The company priced 16 million additional shares of its common stock at $9 per share in a bid to raise $144 million.

Red Hat Inc., up 99 cents at $13.22

Merill Lynch upgraded the software maker to ``buy'' from ``neutral'' after a meeting with company officials.

TiVo Inc., up 22 cents at $6.84

The maker of television recording devices entered into an agreement with NetFlix Inc. to eventually offer on-demand movies via its set-top boxes.