Walk into any supermarket and you can generally buy a banana for less than $1. But a banana duct-taped to a wall? That sold ...

Now, if you really do not believe that we are seeing speculative excesses today, consider that a banana duct-taped to a wall was just sold at auction at Sotheby’s for $6.2 million to a crypto-currency ...

Christie's New York delivered a successful 21st-Century Evening Sale, drawing a packed auction room despite the ...