Sotheby’s dropped almost 7 percent in New York after an art-market analyst said more than half of the contemporary-art lots offered by three major auction houses last month in London fell short of or barely beat their low estimates.
Sotheby’s dropped almost 7 percent in New York after an art-market analyst said more than half of the contemporary-art lots offered by three major auction houses last month in London fell short of or barely beat their low estimates.