SIGENERGY (06656) is set to list in Hong Kong on Thursday, April 16. As of the time of writing, premarket trading indicates a price of HK$619.5, representing a surge of 91.09% above the offer price of HK$324.20. Based on a board lot size of 100 shares, and excluding handling fees, this translates to a profit of HK$29,530 per board lot.