Stifel Hits Sotheby's With Downgrade As Art Market Keeps Getting Worse By: Benzinga via Benzinga February 11, 2016 at 09:45 AM EST Stifel's David A. Schick has downgraded the rating on Sothebys (NYSE: BID) from Buy to Hold. Schick noted that the art market ... Read More >> Related Stocks: Sotheby's Holdings