WTF Chart Of The Day: Without "Pajama Traders", Stocks Have Gone Nowhere In 11 Years

There appears to be two sure-fire ways to make money in these 'efficient' markets - Buy before The Fed speaks...
or trade 'em after midnight...
Source: @NanexLLC
To be clear, this means without the gains achieved between midnight ET and 3amET, the S&P 500 futures market since 2005 would have gone nowhere! - It seems the so-called "pajama traders" may be on to something after all?