Chip makers led the way down in South Korea, where the main index plunged 10.5 percent. The Nasdaq in the U.S. was down 2.2 percent.Chip makers led the way down in South Korea, where the main index plunged 10.5 percent. The Nasdaq in the U.S. was down 2.2 percent. NYT > Business [ SOBAN NEWS: International and National ]