8428.HK at HK$0.68 on 23 Mar 2026: Market Closed, oversold bounce signal

8428.HK stock closed at HK$0.68 on 23 Mar 2026 after a 7.94% intraday rise, marking an oversold bounce on the HKSE. Traders moved volume to 2,455,680.00 shares as the price climbed from an open of HK$0.51 to a high of HK$0.71. This rebound follows a sharp year-to-date rally of 58.14% and places CBK Holdings Limited back above its 50-day average of HK$0.58. We examine why this looks like a tactical oversold bounce, the technical triggers, and the valuation and cash-flow risks that matter for short-term trades.