THE BLOCK: An inaugural CFTC Innovation Advisory Committee got heated on Thursday as CME CEO Terrence Duffy traded barbs with both CFTC Chair Michael Selig and Kalshi COO Luana Lopes Lara over market manipulation in prediction markets. "There are definitely people that are manipulating these contracts," Duffy said. "That is not good for our industry. That is horrible for our industry."(The Block)