Attempting to capitalise on the crossover collecting trend, the fourth edition of the Dutch fair brings in Modern and contemporary art to complement its historical focus

Sotheby’s sees strong sales for works on paper by Rubens and Carracci while interest in masterworks by female artists slowly rises

Key Old Master European works were quick to sell while US-based dealers offer a more 'local flavour'

Leaning on romance of Rockefeller name and its appeal to international and first-time buyers, the auction house triumphed in its marathon week of sales

Leonardo buzz may have given bidding a boost, but results still show a sharp divide between the best and the rest