SENASIC (6675.HK) rose 10% during regular trading to HK$38.20, with turnover of approximately HK$40.9 million. The stock reached an intraday high of HK$39.92 and low of HK$33.00, spanning nearly 20% volatility.

The shares have experienced significant fluctuations since listing on June 17, surging 127% to HK$41.70 on the first day, before dropping nearly 20% the next session, and continuing volatile trading over subsequent days, characteristic of new listings.