Chu, Godwin Kwok Shing 朱國承

He and a colleague were banned on the grounds that the bid orders they entered and later cancelled "may not have been genuine". Orders are binding though - anyone could hit them. Nobody should be entitled to a signal from the order queues, and the SFC should stop encouraging that notion. Buyers and sellers are entitled to mask their intentions by placing orders in the other direction as long as they don't trade with themselves. When computers do it, it is called algorithmic trading. The bids also provided an opportunity to other sellers.