A new artificial intelligence (AI) trend could boost the stock price for one of August's losers.August is over, and September is here. But many investors are fearful because of the so-called "September Effect." It turns out that September is historically the worst month for the S&P 500 (^GSPC -0.32%), with stocks often going down more often than they go up.However, I'm sure that investors in The Trade Desk (TTD 0.23%), Super Micro Computer (SMCI -0.76%), Gartner (IT 3.83%), Fortinet (FTNT 3.06%), and Coinba ...