What Iran Did to Cause the Dow to Plunge Nearly 800 Points U.S. stocks plunged with the Dow nearly 800 points lower as oil prices surged past $80 following Iran's missile strike on an oil tanker and the closure of the Strait of Hormuz. Original Source: https://www.moneytalksnews.com/what-iran-did-to-cause-the-dow-to-plunge-nearly-points/