Buffett -- as well as his late great partner Charlie Munger -- would recommend avoiding leverage at all costs in your portfolio. Why? Because when the market turns (which it will inevitably do at times), the downside can wipe you out. The levered Nasdaq ETF went into a massive drawdown in 2022, and that was just one year of bad returns.

The selloff spree has seen Berkshire Hathaway’s cash pile swell to over $325 billion, with more than $288 billion invested in Treasuries. The adjustments come amid growing concerns that the stock market has become pricey, making it difficult to find anything of value to buy at discounted valuations.

With as impressive of an investing track record as Warren Buffett has achieved, you'd expect his Berkshire Hathaway portfolio would be loaded with great stocks. And you'd be right. The good news is that you don't need a huge amount of cash to buy many of those stocks.

Investors often turn to Warren Buffett for advice for one good reason: He's proven his ability to navigate any investing waters -- from moments of euphoria to the doldrums -- and win over time. Buffett doesn't rush to buy the hottest stocks as markets soar and doesn't panic-sell during difficult periods.

Has Warren Buffett given up on stocks amid overstretched valuations? That’s the big question, as the “Oracle of Omaha” has been a net seller in recent months.

The Oracle of Omaha's secret portfolio contains 120 securities -- one of which is a historically cheap AI stock.