In the US tonight, the Nasdaq Composite slumped another 23 points to 2,428.
Likewise, the Dow Jones Industrial Average was down 101 points at 12,463, after falling to a low of 12,450. The broad S&P 500 was down 8 points to 1,421.
In Asia today, the Nikkei closed down 15.61 points at 17,408.57, while the Hang Seng ended the morning down 123.40 points at 20,648.82.
New York Mercantile Exchange's main oil contract, light sweet crude for delivery in Marcy, was down 4 cents at $52.54 a barrel from its level of $52.58 in late trading in the US overnight.