The weak derivative does not have much to do with any trend of a function at a point. The value of weak derivative at any given point is not even defined. The w

The weak derivative does not have much to do with any trend of a function at a point. The value of weak derivative at any given point is not even defined. The weak derivative of a quarterly earnings function is zero, regardless of what the earnings actually are. I hope you realize how silly you are being here.