In Asia today, the Nikkei closed down 95.43 points at 18,119.92, while the Hang Seng ended the morning down 243.61 points at 20,264.34.
New York Mercantile Exchange's main oil futures contract, light sweet crude for delivery in April, had advanced by 20 cents to $61.59 a barrel from $61.39 in late trading in the US overnight.