NEW YORK (AP) — Shares of some top computer companies are down at 1 p.m.:

Apple Inc. fell $4.57 or .8 percent, to $561.17.

Dell Inc. fell $.10 or 1.1 percent, to $9.03.

Hewlett Packard Co. fell $1.49 or 11.2 percent, to $11.81.

International Business Machines Corp. fell $.60 or .3 percent, to $189.75.

Lexmark International Inc. fell $.03 or .1 percent, to $24.02.