Yes, there are. You can find some on fanfiction websites. Some might focus on exploring the relationship between Mulder and Scully further. For example, there could be stories that take place on a Monday in their investigation timeline and add new twists to the cases they handle.
Sure. One Monday success story could be that a small business owner managed to close a big deal with a new client on a Monday. They had been preparing for weeks, and all their hard work paid off that day, leading to a significant boost in revenue for their business.
In the corporate world, a marketing team had a big presentation on a Monday. They had been working late nights for days. Their presentation was a huge success. They managed to convince the top management to invest in a new advertising campaign which later turned out to be very profitable.
It depends on how you define 'real'. If by real you mean inspired by actual events or economic situations, then yes. But if you expect it to be a verbatim account of a specific incident, it might not be.
One great story could be about Zak Monday and Zak Saturday teaming up to solve a mystery that involves both their worlds. Maybe they have to stop an ancient evil that is threatening to destroy the balance between their respective realms.
Black Monday, which occurred on October 19, 1987, was a major global stock market crash. Stock markets around the world plummeted. In the United States, the Dow Jones Industrial Average dropped by a staggering 22.6% in a single day. There were multiple factors contributing to it. Program trading was one factor, where computers were set to sell stocks automatically when certain market conditions were met. Also, there were concerns about the overvaluation of stocks and rising interest rates at that time.