What you need to know on Wall Street today

Amazon is buying Whole Foods. The online giant said Friday it was buying the high-end grocer for $42 a share in an all-cash deal, valuing the company at $13.7 billion. Here's what you need to know:

Grocery stores are getting clobbered
Pharmacies take a $10 billion hit as Amazon lands Whole Foods deal
Traders who were betting against Whole Foods dodged a bullet
Here's why Amazon is buying Whole Foods
Amazon could fix Whole Foods' biggest problem
Here's the letter Whole Foods just sent its customers who are furious about it "selling out"
The best jokes on Twitter about Amazon buying Whole Foods
The CEO of Whole Foods called activist investors "greedy bastards," and then struck a deal that will lead to a huge payday for one
Wall Street is handing Amazon $13.7 billion to buy Whole Foods
The Whole Foods CEO joked about Lloyd Blankfein right before Goldman Sachs helped Amazon buy his company
MARK CUBAN: Here's "the Amazon question" after the online retail giant spent $13.7 billion on Whole Foods
Millennials are buying everything online — except cars

In another deal, is acquiring

"My immediate thought was no way": Why Bonobos' founder made the 'contrarian' decision to sell his brand to Walmart
" target="_blank"Bonobos is now no longer cool": Walmart's takeover is infuriating some fans of the high-end menswear brand

In non-Amazon tech news:

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The maker of Angry Birds is thinking about going public
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A man who left finance for tech explains the difference between interviewing at JPMorgan and Google
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