In a significant shakeup for investors, S&P Dow Jones Indices revealed on Tuesday that Amazon will replace Walgreens Boots Alliance in the prestigious Dow Jones Industrial Average. The move, set to take place before the market opens on Feb. 26, marks a major shift in the composition of the 30-stock benchmark index, demonstrating the evolving landscape of the American economy.

"Reflecting the evolving nature of the American economy, this change will increase consumer retail exposure as well as other business areas in the DJIA," S&P Dow Jones Indices indicated in a press release.