In Tokyo, Japan, the Nikkei 225 and Topix are down 4.4 and 2.8 percent, respectively.
In South Korea, the stock market is doing even worse. By lunchtime, the Kospi had lost a whopping 9.9 percent. Among today's decliners is memory giant SK Hynix, which was recently listed on Nasdaq. Back home in South Korea, the stock is down 12.4 percent.
Trading is also down in China. The Shanghai Stock Exchange is down 1.4 percent and the Shenzhen Stock Exchange is down 3.7 percent. The Hong Kong-based Hang Seng is down 0.5 percent.
