Walgreens (NASDAQ:WBA) stock is sinking 2% in early trading after S&P Global announced that the pharmaceuticals retailer would be removed from the Dow Jones Industrial Average (DJIA), effective Feb. 26. Amazon (NASDAQ:AMZN) will replace WBA stock in the Dow Jones index on that day.WBA Stock Is Out, AMZN Is InS&P cited two main reasons for its decision. First, it noted that the move was prompted by “the evolving nature of the American economy” and added that “this change will increase consumer retail exposur ...