NEW YORK (AP) --

Shares of some top computer companies were mixed at the close of trading:
Apple Inc fell $.56 or .3 percent, to $188.75.
Dell Inc rose $.15 or 1.0 percent, to $14.59.
Hewlett Packard fell $.65 or 1.3 percent, to $47.51.
IBM rose $.60 or .5 percent, to $121.16.
Lexmark rose $.10 or .4 percent, to $25.50.