After the announcement of the reopening of the Strait of Hormuz on Friday, the Dow went up nearly 900 points, and the S&P 500 and Nasdaq also rose sharply. It comes as oil prices also plunged which might mean gas prices will start coming down as well. NBC’s Allie Canal joins Saturday TODAY to break down what Iran’s new closure of the Strait of Hormuz means for the economy, gas prices and more.