[ET Net News Agency, 17 April 2025] BOAN BIOTECH (06955) rose 58% to HK$13.02. It
recorded a turnover of 7.08 million shares of HK$72m. It hits an intra-day high of HK$13,
rewriting a new 52-week high, and an intra-day low of HK$8.24. It triggered the Volatility
Control Mechanism (VCM) at 3:35p.m., putting it on a 5-minute cooling-off period, with
trading price range limiting between HK$8.72 and HK$13.08. The cooling-off period ends at
3:40p.m.
BOAN BIOTECH is a constituent of the Hang Seng Composite SmallCap Index. When its share
price fluctuates more than 20% compared to the last trading price five minutes ago, the
VCM is triggered. VCM offers a cooling-off period of 5 minutes for the market and limits
the trading price range. It then resumes normal trading. VCM is only applicable to the
continuous trading session (CTS), excluding the first 15 minutes of the morning and
afternoon trading session, and the last 15 minutes of the afternoon trading session. (ed)