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

Apple Inc. rose $12.74 or 2.0 percent, to $647.50.

Dell Inc. rose $.08 or .8 percent, to $9.84.

Hewlett Packard Co. rose $.09 or .6 percent, to $14.56.

International Business Machines Corp. rose $1.53 or .7 percent, to $210.46.

Lexmark International Inc. rose $.39 or 1.9 percent, to $21.47.