Billionaires Are Buying These 2 Ultra-High Yield Dividend Stocks Hand Over Fist. Are They Smart Buys for Your Portfolio?

Stocks that work for billionaires aren't necessarily appropriate for every investor.Investors looking for stocks that can produce heaps of passive income want to look at recent activity from some of the world's most successful investors. Billionaire hedge fund manager Ken Griffin more than tripled Citadel Advisors' position in Hercules Capital (HTGC -1.16%) during the last three months of 2023.Hercules offers a yield that's more than six times the average dividend-paying stock in the benchmark S&P 500 index ...