The probability of a rate-hike in December collapsed from 65% yesterday to just 45% today after Yellen's admission that any and everything will keep them on hold as they wait for nirvana to allow interest rates to rise again. This rippled across the Treasury curve and after Tuesaday's record-breaking spike in yields, 2Y yields collapsed 13bps today - the biggest single-day plunge since QE was unleashed in March 2009. Charts: Bloomberg