A direct manual trade of 3.24 million shares of ISHARES A50 (02823) was registered at 11:46a.m.
The deal amounted to HK$42.08m, or at HK$12.99 per share, 0.6% lower than previous close.
ISHARES A50 is now trading down 0.54% to HK$13, with 5.09 million shares of HK$66.21m changing hands.