Fed's Unemployment Targeting, Balance Sheet vs S&P500

The Feds decision to announce more QE with +45 bn in US Treasuries, while maintaining the $40 bn in MBS purchases but the statement carries a more aggressive expression that quantitative easing shall remain guided primarily by unemployment. The policy statement highlights the Feds implicit unemployment targeting by stating that rates would stay low for at least as long as the unemployment rate remains above 6.5%. See Chart of Fed Balance Sheet vs S&P500 http://www.cityindex.co.uk/market-analysis/market-news/3581352012/feds-unemployment-targeting/