[ET Net News Agency, 19 May 2026] TOPNC (07688) will be listed tomorrow (20th). It is currently at HK$40.8 on Phillip's grey market, 54.6% higher than the grey market's IPO price of HK$26.39. Based on 100 shares per lot, excluding handling fees, the book value gain per lot is HK$1,441. It is currently at HK$40.9 on Bright Smart's grey market, 55% higher than the grey market's IPO price. The book value gain per lot is HK$1,451.