To gain an edge, this is what you need to know today.AI Rally TestPlease click here for an enlarged chart of Micron Technology Inc MU.Note the following:This article is about the big picture, not an individual stock.  The chart of MU stock is being used to illustrate the point.The trendline on the chart shows MU stock has gone parabolic.  The reason for the parabolic move is that money started flowing into second tier AI plays.  Investors are already overweight in first tier AI plays, such as NVIDIA Corp NV ...