At Insider Monkey we leave no stone unturned when looking for the next great investment idea. For example, Europe is set to become the world's largest cannabis market, so we checked out this European marijuana stock pitch. Also, we are still not out of the woods in terms of the coronavirus pandemic. So, we checked out this analyst's " corona catalyst plays ". We read hedge fund investor letters and listen to stock pitches at hedge fund conferences. Our best call in 2020 was shorting the market when the S&P 500 was trading at 3150 after realizing the coronavirus pandemic's significance before most investors. With all of this in mind let's analyze the new hedge fund action encompassing Fiserv, Inc. (NASDAQ: FISV ).