Lee Krasner

San Francisco museum's Rothko sells for $50m as Sotheby’s closes bumper week of New York auctions

Dana Schutz’s record broken twice in one night at Phillips then Sotheby's, while the bidder behind the $91m Koons Rabbit buys Lee Krasner painting for $10m

Analysis: Christie's postwar and contemporary auction nets $785.9m, with a big assist from an Old Master

Despite buy-ins, the sale saw several strong prices and records below the dizzy height of $450.3m for Leonardo da Vinci's Salvator Mundi