Last Friday, e-commerce giant Amazon.com (NASDAQ: AMZN) and natural and organic grocer Whole Foods Market (NASDAQ: WFM) took the world by surprise when the two companies announced that Amazon would acquire Whole Foods in a $13.7 billion all-cash transaction. The major deal, which will be Amazon’s biggest-ever acquisition if it closes successfully, has many implications for both Amazon and Whole Foods investors — and investors are still digesting what the deal means.