E-commerce company

Interact Commerce

(IACT)

was up 48.8% in midafternoon on news it will accept a roughly $260 million all-cash offer from the U.K.'s

The Sage Group

, a supplier of business management software.

The deal values Interact at $12 a share, compared to its closing price Tuesday of $7.94. The companies expect the merger to close in May 2001.