IBM, knocked recently on accounting concerns, jumped $4.90 or 5% to $103.02. Cisco Systems, hit lately by questions over outside partnerships involving its executives, added 73 cents or 5% to $15. Internet pioneer Yahoo! rose $2.15 or 15% to $16.6 on positive broker comments. But software maker Oracle stood out on the opposite side of the ledger, falling 63 cents or 3.8% to $15.99.