Trader Brian Jones on Twitter: "I still can't take the warning off yet because the S&P hasn't rallied enough to say the crash won't happen today. The other factor I use is how much time we have left before the close." / Twitter

I still can't take the warning off yet because the S&P hasn't rallied enough to say the crash won't happen today. The other factor I use is how much time we have left before the close.