These 3 Warren Buffett Stocks Should Be on Your Radar

Thanks to his impressive track record, investor Warren Buffett's moves are followed by many who are looking for top stocks to buy. Investors peek at the holdings of his Berkshire Hathaway for inspiration.Inside the conglomerate's massive $373 billion portfolio, there are dozens of companies. Three of them dominate the payments landscape and should be on every investor's radar. Let's take a closer look at American Express (AXP 0.01%), Visa (V -0.86%), and Mastercard (MA -0.67%).Amex is a top Berkshire positi ...