Circle's impressive IPO debut fuels ETF mania on Wall Street [https://www.thestreet.com/.image/t_share/MjE1NTI2MzAzNjM2Mzk5NDcx/gettyimages-2218070517.jpg] Circle's impressive IPO debut fuels ETF mania on Wall Street ProShares, Bitwise, and T-REX file to issue ETFs tied to the Circle stock. [https://www.thestreet.com/crypto/markets/circles-impressive-ipo-debut-fuels-etf-mania-on-wall-street]