Warren Buffett is an all-time great investor who has led Berkshire Hathaway to become a powerhouse since taking over the company in 1965. With an investment portfolio worth $343.2 billion, Berkshire Hathaway is loaded with some of the best businesses in the world. One of those businesses is Mastercard (NYSE: MA) , which Berkshire Hathaway has a 0.4% stake in that's valued at $1.4 billion.
But is stock in this financial services company a buy for your portfolio? Let's dig into Mastercard's fundamentals and valuation to answer this question.
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Is This Buffett-Backed Blue Chip Stock a Buy?