Warren Buffett is stockpiling cash. His Berkshire Hathaway holding company continued to sell more than it bought in the third quarter when it offloaded a quarter of its stake in Apple, regulatory filings revealed Thursday.

Here are three Vanguard ETFs to buy with $1,000 and hold forever. With that money, you'll gain part ownership in the 500 large U.S. companies that comprise the S&P 500 Index. The beauty of this Vanguard tracking the S&P 500 is that the index is rebalanced regularly.

But Buffett hasn't lost his enamor with all stocks. The "Oracle of Omaha" has even invested $2.9 billion in one stock this year. What is it — and is it a no-brainer buy now? Start Your Mornings Smarter! Wake up with Breakfast news in your inbox every market day. Sign Up For Free »