The Street.comというサイトにLiz Rappaport氏が記事を載せています。
"People are liquidating and prices are declining," notes T.J. Marta, fixed income strategist at RBC Capital Markets. Such behavior was visible not only perhaps in Friday's stock market decline, but in more than 2% drops that day in metals, like nickel and copper, that had been popular among speculators.
Also, the Japanese yen continues to appreciate as traders unwind the "carry trade," in which investors borrowed money in low-interest yen to invest in higher yielding currencies. But, as credit markets seize up, investors must liquidate positions to meet margin calls.