While investors hash it out, other billionaire investors are making their moves, and they're not all like Buffett's. For example, Israel Englander of Millennium Management bought 5,163,316 new shares of Apple stock in the second quarter, raising his fund's position by 68% to 12,809,102 shares.

When one of the greatest investors of all time is selling massive amounts of stock in some of his favorite names, it's u

Interestingly, while many investors avidly track which stocks Buffett buys and sells, they often ignore one of his most prudent recommendations. "In my view, for most people, the best thing to do is to own the S&P 500 index fund,