Midday Glance: Computer companies CBS News NEW YORK — Shares of some top computer companies are mixed at 1 p.m.: Apple Inc. rose $10.84 or 1.6 percent, to $680.63. Dell Inc. fell $.07 or .7 percent, to $10.57. Hewlett Packard Co. rose $.06 or .3 percent, to $18.05. International Business ... |