Amazon announced on Thursday that it will acquire the online pharmacy PillPack. There has been speculation for quite a while that Amazon would enter and disrupt the healthcare industry. In typical fashion of Amazon announcements, stocks of companies who operate in the invaded industry declined in pre-market trading. Stocks prices of Walgreens Boot Alliance (WBA) and CVS Health (CVS) fell sharply on the news. To Continue Reading Full Story, We've previously discussed how inves