Market recap: Stocks around the world dive as realization sinks in regarding Operation Twist that there is no there there. Adding to worries in the U.S. and Europe is the idea that China is appreciably slowing. Precious metals, copper, and oil were all down sharply. Long-term Treasurys continue to rally, the yield on the 30-year diving 20 basis points to 2.80%. U.S. shares manage to bounce well off the lows into the close.