(Bloomberg) -- Six weeks into a torrid rebound, US stocks are still laggards in global equity markets this year. For them to sustain the rally and reclaim their usual spot at the top of the pack, Corporate America’s profit engine needs to rev back up, analysts at Bloomberg Intelligence say.Most Read from BloombergCan Frank Gehry’s ‘Grand LA’ Make Downtown Feel Like a Neighborhood?Chicago’s O’Hare Airport Seeks Up to $4.3 Billion of Muni DebtNJ Transit Makes Deal With Engineers, Ending Three-Day