Walgreens Boots Alliance (NYSE: WBA) stock price has become a toxic wasteland. It crashed to a low of $17 on Wednesday, much lower than its all-time high of$71.50, a 76% plunge. Are you looking for signals & alerts from pro-traders? Sign-up to Invezz Signals™ for FREE. Takes 2 mins.Walgreens has lost $85 billion in valueCopy link to sectionIts market cap has plummeted from over$100 billion to about $15 billion, a move that has left it severely undervalued. Data by SeekingAlpha shows that the company spots ...