US stock markets dropped again on Friday, capping off a fourth week of market turbulence as investors worried about the US-Israel war on Iran and its widespread impact on global oil prices.The Dow lost over 400 points on Friday, with the S&P 500 slipping 1.5% and the tech-heavy Nasdaq down 2%.The biggest losses of the week were seen in the Russell 2000, which tracks the performance of small-cap companies. The Russell 2000 entered correction territory on Friday after dipping 2.7%, meaning the index fell more ...