New buyers, online sales and top-end art dominate
Christie’s reported auction sales for the first half of 2014 of $3.6bn (£2.2bn), a 23% rise on the same period last year. Sotheby’s took $3.12bn (£1.9bn), a 22% increase.
Compare that to the £40bn-45bn that the entire annual global market is thought to be worth at the mo…