The rise of prediction markets has sent DraftKings Inc (NASDAQ:DKNG) and Flutter Entertainment PLC (NYSE:FLUT) shares lower. While some investors and analysts see prediction markets as a major competitor, an analyst said the selloff is overdone and both companies have a $5 billion opportunity of their own in the market.The DKNG, FLUT Analyst: Macquarie analyst Chad Beynon maintained an Outperform rating on DraftKings with a price target of$48.Beynon maintained an Outperform rating on Flutter Entertainment ...