CNBC says Tesla's Elon Musk lost a whopping $54 billion in January. Meanwhile, Warren Buffett managed to squeak out some gains on Wall Street, despite the market volatility. This week, Gary & Laurel discuss the lessons we can take away from how the world's wealthiest people invest. And we'll discuss the small "leaks" from your 401(k) that can also add up to big losses. Need a portfolio checkup? Schedule a chat at www.MattsonFinancial.com. See omnystudio.com/listener for privacy information.