The 11-point decline in the S&P 500 today to 1687 breaks the 38.2% retracement of the September gain.

With a government shutdown and the debt ceiling looming, there are plenty of reasons to worry even if the Fed has promised to print forever.

SP500 daily chart Sept 27 2013

SP500 daily chart with 55-day MA

Falling stocks are weighing on USD/JPY (which just hit a two-week low). The next layer of support is in the 1680/1678 zone.