Mumbai, Nov. 27 -- Markets rallied towards their lifetime highs on Wednesday, taking cues from global markets. However, signals from the derivatives market indicate a lack of conviction, as traders eye the US Federal Reserve's rate actions and the anticipated India-US trade deal. The Nifty surged to 26,205, just shy of its record high of 26,277.35, while the Sensex rallied to 85,609, short of its record 85,978P13...