IGM is trading at $159.81, up 1.55%, amid broader market strength; no clear IGM-specific catalyst has been identified. - The supplied market context shows the Nasdaq Composite up 1.27% and the S&P 500 up 0.95%. - Reuters reported that easing oil prices lifted sentiment as investors looked ahead to major company earnings and the Federal Reserve’s policy decision. This is broader-market context, not a confirmed IGM-specific explanation.