IBM (IBM) - Get Report was down 0.5% in midmorning after Prudential Securities cut its fourth-quarter revenue projection to $24.5 billion from $25.3 billion. Prudential also cut fourth-quarter estimates for Dell (DELL) - Get Report to $8.29 billion from $8.38 billion and cut its 2002 earnings estimate to $1.06 a share from $1.12. Dell was down 3.8%. Other computer stocks were mixed. Gateway (GTW) was up 0.7% while Hewlett-Packard (HWP) was up 0.6%. Compaq (CPQ) was down 3.9% and Apple (AAPL) - Get Report was off 2.1%.