Kiss legend Gene Simmons isn't just a god of rock and roll, he is also quite an established businessman. He is a founding partner of emerging restaurant brand Rock & Brews, which has 20 locations across the country. In addition, he is the mastermind behind the gold mine that is Kiss merchandise, which boasts an astounding 5,000-plus branded items.

Oh, and did we mention he also likes dabbling in the stock market? TheStreet talked with Simmons about his business career and outlook for the markets in the year ahead. Simmons pulled no punches when asked about the impact to stocks that President-elect Trump's lively Twitter page is causing.

"That's dangerous, and I believe he is going to see the effect," Simmons said. "I think there is going to be a learning curve that he, and we, are going to have to learn--being an individual citizen is one thing, and tweeting as the most powerful human being on the face of the planet can have positive or negative repercussions," Simmons added. 

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