Sotheby’s typhoon-battered Hong Kong autumn sales brought in HK$3 billion (US$400 million), 20 per cent less than the auctioneer’s spring auction series, despite earlier expectations of strong Asian demand for works by big-name Western artists.Among the lots were paintings by Vincent van Gogh, Pablo Picasso, Pierre-Auguste Renoir and Jean-Michel Basquiat.Sotheby’s autumn series comprised 17 sales covering various categories. They were held as scheduled at the Hong Kong Convention and Exhibition…