"Does it make sense to use an overall daily profit target?"

Here s a good question from Hayes (name used with permission): Hayes: I am noticing fluctuations in my PnL during the day as the market fluctuates. For my gap up and down strategies, for example, today I am in 20 positions, and the PnL has fluctuated from slightly negative to strongly profitable and now back to modest profit. To maximize my profit, I would like to set a profit target for my day…