Another triple-digit swing for the Dow yesterday. The index shed 130 points a hefty jump in wholesale inflation brought Wall Street flighty optimism down to earth once again.

The Producer Price Index rose by 1.2% in July, more than double the expected rate. The rate for 2008 is now the highest level since 1981.

Who’s to blame? Addison Wiggan and Ian Mathias at Agora Financial’s 5 Min. Forcecast are pointing the finger at Ben Bernanke. The Fed has loaned, on average, $17.7 billion a day last week to US commercial banks – an all-time high.