President-elect Donald Trump is threatening 100% tariffs against a bloc of nine nations if they act to undermine the U.S. dollar.

Monday is National Dollar Day, an occasion dedicated to celebrating the dollar bill that as of 2019 had 12.4 billion in circulation across the United States.

Dollar stores are among the fastest growing segment of retail right now. It's not just shoppers trying to save money. Hoards of people are headed to Dollar General every week to hunt for items that cost just one penny. It's a movement getting a lot of traction on social media. People are posting and sharing items they have found for one cent.

Going into his start against Dobie last weekend, MacArthur's Ryan Dollar wasn't feeling it. Let's just say Dollar can overcome adversity as the junior threw a no-hitter in a 5-1 win. "It was about the second inning when I started feeling it," he said. "Especially when the other team started talking. When not on the mound, Dollar also plays shortstop for the Generals and is one of the top sticks in the lineup.