Wall Street giant acquires major stake in Polymarket [https://www.thestreet.com/.image/t_share/MjE4MjgwMTYyMDQxNTM4MTUw/gettyimages-2225629256.jpg] Wall Street giant acquires major stake in Polymarket ICE has announced a $2 billion investment in the crypto-based prediction market Polymarket. [https://www.thestreet.com/crypto/business/wall-street-acquires-polymarket]