The Dow Jones Industrial Average, up 330 points in the past two days, surrendered 40.08 points or 0.45% to 8778.06. The Nasdaq climbed 16.00 points or 1.19% to 1361.01, its highest level in a month, on an optimistic outlook from personal computer maker Dell. On the week, the Dow dipped 0.5%, while the Nasdaq gained 1.2%.