Waste Management Inc (NYSE:WM) experienced a significant Power Inflow alert, a key bullish indicator that is closely tracked by traders who value order flow analytics, specifically institutional and retail order flow data.At January 21 at 10:27 AM EST, WM triggered a Power Inflow signal at a price of $222.60. WM's price in the opening hour of trading had been mostly stagnant, even dropping slightly prior to the signal. At the time of the signal, and then thereafter, both retail and institutional trading int ...