A non-direct manual trade of 135,000 shares of BABA-SW (09988) was registered at 2:12p.m.
The deal amounted to HK$31.46m, or at HK$233 per share.
BABA-SW is now trading down 4.19% to HK$233.2, with 32.22 million shares of HK$7.55b changing hands.