In the last two months, massive sell-offs fearing interest rate hike by the United States Federal Reserve tanked market and subsequently, world’s richest persons lost — the 500 wealthiest people on the planet — lost a total $436 billion in past two months since January 26. According to Bloomberg Billionaires Index, the combined net worth of the wealthiest 500 fell $181 billion this week as the S&P 500 Index and Dow Jones Industrial Average suffered their steepest weekly drop in more than two years, amid heated rhetoric over tariffs and retaliation.