58% of Warren Buffett's $292 Billion Portfolio Is Being Wagered on 4 Unstoppable Stocks @themotleyfool #stocks $AAPL $BRK.A $BRK.B $BAC $KO $AXP

58% of Warren Buffett's $292 Billion Portfolio Is Being Wagered on 4 Unstoppable Stocks @themotleyfool #stocks $AAPL $BRK.A $BRK.B $BAC $KO $AXP

Key PointsWarren Buffett's track record -- a nearly 5,800,000% cumulative return in Berkshire Hathaway's Class A shares (BRK.A) since the mid-1960s -- has led to investors riding his coattails. One of the prime characteristics of Buffett's investment philosophy is portfolio concentration. Buffett has almost $169 billion invested in four brand-name companies with easily identifiable competitive advantages and hearty capital-return programs.10 sto…