eBay

(EBAY) - Get eBay Inc. Report

was down 4.1% in midmorning trading after

Goldman Sachs

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trimmed its 2001 earnings estimate for the online auction company to 35 cents a share from 36 cents to reflect a reduction in interest income.

Goldman, however, said it approved of eBay's decision to take a majority stake in South Korea's

Internet Auction

, saying it will add about $20 million to eBay's revenue.