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Shares of VerticalNet Inc., a manager of Internet sites where businesses buy and sell goods, climbed 30% on Friday after Microsoft Corp. invested $100 million in the company. Shares surged $58.50 to close at $252.06 on Nasdaq after earlier reaching $275, a new high. Microsoft, which bought a 3% stake in VerticalNet, is eager to sell its software to companies doing business on the Web.