Dow Jones futures will open Sunday evening, along with S&P 500 futures and Nasdaq futures, with Nvidia in focus this coming week. Warren Buffett's  Berkshire Hathaway reported fourth-quarter earnings.

"Economic freedom is a necessary, but not sufficient precondition for personal freedom." She runs the Freedom 100 Emerging Markets ETF — which is up more than 43% since its first day of trading on May ...