Why are US stock market indexes down today and Dow Jones, S&P 500 and Nasdaq in red now? Wall Street fall, analysts insights and market outlook explained. Here's what should investors do now

Why are US stock market indexes down today and Dow Jones, S&P 500 and Nasdaq in red now became a key question for investors after Wall Street closed lower. Iran strikes on oil tankers pushed crude prices toward $100. Inflation concerns and banking worries triggered a broad selloff across U.S. equities.