NEW YORK (AP) _ Stocks that are moved substantially or traded heavily Friday on the New York Stock Exchange, Nasdaq Stock Market, and American Stock Exchange.

NYSE

Caterpillar, down 6 3/16 at 44 11/16

The farm equipment maker said first-quarter earnings would fall 50 percent below analyst estimates and also 50 percent below fourth-quarter levels. The Peoria, Ill.-based company cited depressed machine and engine sales.

Disney, up 1 3/8 at 36 1/16

Deutsche Bank upgraded its investment opinion of the entertainment conglomerate.

Rite Aid, down 14 7/16 at 22 9/16

The Camp Hill, Pa.-based drug store chain dropped 40 percent after announcing that earnings would fall short of Wall Street estimates because of higher-than-expected expansion costs and a loss from liquidating 208 stores.

NASDAQ

Safeskin, down 6 9/32 at 8 31/32

The San Diego-based manufacturer of disposable latex and synthetic medical examination gloves said first-quarter profits would fall short of expectations due to pricing pressures.

DoubleClick, up 24 9/16 at 131

The Internet advertising company announced a 2-for-1 stock split and said it plans to sell about $150 million of convertible subordinated debentures in a private placement.

AMEX

Paxson Communication, up 1 3/16 at 9 3/8

America Online, General Electric's NBC and Time Warner are rumored to be considering a purchase of West Palm Beach, Fl.-based PaxNet, the family show television network.