A day after plunging on a downgrade from a

Jefferies

analyst,

Commerce One

(CMRC)

was up 10.4% by late afternoon after the company

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announced three new customers and a consulting alliance. Other B2B players also rose sharply.

Ariba

(ARBA)

was up 13.1%, and

i2 Communications

(ITWO)

was up 5.3%.