Traders are piling into Treasury options, betting that the yield on the 10-year Treasury will rise back to 4 per cent in the coming weeks - a level not reached since late November. The bullish bet comes as yields have actually edged higher recently, with the 10-year yield hitting a high near 4.20 per cent earlier this month before moving to 4.16 per cent on Monday as investors weigh in on the latest economic data and take notes from Federal Reserve officials...