Hong Kong stocks collapsed for a second straight day on Tuesday, as investors fretted over how well Asian economies will hold up in a U.S. recession, sparking a sell-off across the region.

China plays, which dominated trade, plunged 12 percent in their worst one-day percentage loss in 10 years.

The benchmark Hang Seng Index .HSI ended down 8.7 percent at 21,757.63, in their biggest one-day loss since Sept. 2001.