Georgina Adam and Charlotte Burns did some sleuthing for sales at ArtHK 10:

early sales included a new Zhang Xiaogang painting at Pace, Green Wall— Husband and Wife, 2010, for $1m to an Asian buyer, as well as a large-scale Sterling Ruby, which went for $110,000 to another Asian buyer. Perrotin sold two Aya Takano paintings for $125,000 each to Chinese and Korean buyers, while Lehmann Maupin, whose stand is chiming with the sound of sandals stamping on Do Ho Suh’s installation, Floor had sold Tracey Emin’s 2010 neon installation, I Promise To Love You, for £55,000 to an Indonesian collector from Jakarta, and an Emin embroidery, Nothing Happened, 2009, for £14,000 to a Singapore collector who only collects female artists.

Hong Kong Fair Fizzes with Anticipation (The Art Newspaper)