Sales soar at New York auctions

A Jean-Michel Basquiat painting on display at Sotheby's Photograph: Cathal McNaughton/PA

A Jean-Michel Basquiat painting on display at Sotheby's Photograph: Frank Baron/Guardian

Francis Bacon's Study from Innocent X, estimated at $30m, sold for $52.6m at Sotheby's Photograph: Matt Cardy/Getty

Francis Bacon's Study from Innocent X Photograph: Alastair Grant/AP

Paul Cézanne's Nature Mort Au Melon Vert at Sotheby's Photograph: Matt Cardy/Getty

Henri Matisse's Odalisque Rise et Jaune at Sotheby's Photograph: Alastair Grant/AP

Marc Chagall's Le Grande Cirque at Sotheby's Photograph: Alastair Grant/AP

Mark Rothko's White Center (Yellow, Pink and Lavender on Rose) on display at Sotheby's; it sold for $73m - almost twice its estimate Photograph: Timothy A Clary/AFP

White Centre (Yellow, Pink and Lavender Rose) by Mark Rothko Photograph: Matt Cardy/Getty

Jacques le Fataliste by Frank Stella at Sotheby's Photograph: Timothy A Clary/AFP

Wolken by Gerhard Richter at Sotheby's Photograph: Timothy A Clary/AFP

Lemon Marilyn by Andy Warhol on display at Christie's Photograph: Timothy A Clary/AFP

Lemon Marilyn sold for a bid of $28.4m Photograph: Justin Lane/EPA

Andy Warhol's Green Car Crash (Green Burning Car I) sold for $71.7m at Christie's - a record-breaking figure for the artist Photograph: Timothy A Clary/AFP

Untitled by Donald Judd and Night by Lisa Yuskavage on display at Christie's Photograph: Timothy A Clary/AFP

Wonder of You by Damien Hirst at Christie's Photograph: Timothy A Clary/AFP

People are reflected in Damien Hirst's sculpture Lullaby Winter, which sold for $7.4m at Christie's Photograph: Timothy A Clary/AFP