If yesterday's news broken by ZH that one bank was in dire need of US dollars and ended up borrowing $500 million from the ECB was enough to send the market down almost 5% today, then the follow up news that the FRBNY just reactivated FX swap lines with Europe will likely send ES limit down at tomorrow's open. The FRBNY has just announced that in the week ended August 17, it lent out $200 million to not the ECB, not the BOE, but the "most stable" of all banks: the SNB. This is the first use of the Fed's Swap Lines since March, and the most transacted under this "last ditch global bailout swap line" (see more on how the Fed bailed out the world using swap lines here) since October 2010. This event also gives us a hint that the European bank in question in dire need of cash is Swiss, which in turn means that it is not some usual PIIGS suspect, but one of the two "big ones." If true, this means that the European insolvency, liquidity and what have you crisis is about to take an exponential step function higher.

From the FRBNY:

And the history of FX swap usage: