NEW YORK, Aug. 17, 2021 /PRNewswire/ — WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of DraftKings Inc. f/k/a Diamond Eagle Acquisition Corp. (NASDAQ: DKNG) between December 23, 2019 and June 15, 2021, inclusive (the “Class Period”), of the…