In a retail landscape decimated by almighty Amazon (AMZN - Get Report) , most retailers are considered lost causes before they even hold their earnings calls. But if anyone can find success in the struggling industry, it's naturally Warren Buffett. 

Berkshire Hathaway (BRK.A - Get Report) just reported that earnings from its retail businesses actually increased 27% in the three months through June. So where did Buffett find the retail holy grail? 

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Editor's Pick: Originally published on August 7, 2017