Almost $2.5bn was spent on art in just six evening auctions last month, as the market is pushed to new levels for trophy works

And what can be done in the face of the country’s crippling political and economic crisis

Gagosian Gallery and six Hollywood execs in months of negotiations to use images of Superman, Iron Man and Spiderman <br>

In addition to two portraits of Jacqueline Picasso, more than 60 other works are believed to have gone missing from a storage facility in Paris suburb

Paddle8 moves to new premises in Mayfair

Olivier Thomas is released from police custody, while Yves Bouvier denies all allegations

Football club owner has built large collection, with more than 150 Modern British works on public display

Three lawsuits allege that a storage facility company, a subsidiary of Christie’s, failed to take proper precautions, despite urgent warnings

Bellotto paintings worth more than £23m to leave family collections after more than 200 years

Serious buyers came out in force for Spring Art Week—a relief for dealers after a chilly winter

Trend towards licensing works for use in the hospitality industry can offer a new income stream for artists

Dealers need to participate in international art fairs and have spaces abroad to gain respect back home

Lempertz, Berlin, Berlin Sale, 2 May

Sotheby’s has launched its third model, back in tandem with eBay, while its numerous competitors are trying many different methods to grow internet sales