HSI futures opened down 1.57% at 19,552 points, a low of 315 points.
The Hang Seng Index futures opened down 1.28% at 19,645 points, a low of 201 points.
HSI futures opened down 1.01% at 22,957 points, a low of 182 points.
HSI futures opened down 0.93% at 17,441 points, a low of 216 points.
The Hang Seng Index futures opened down 1.92% at 16,970 points, a low of 325 points.
The Hang Seng Index futures opened down 0.95% at 17,781 points, a low of 300 points.