Citigroup sees 87% upside for surging tech stock [https://www.thestreet.com/.image/t_share/MjE2NjU4MDU1OTczMDUzOTcx/gettyimages-2224484224.jpg] Citigroup sees 87% upside for surging tech stock Citigroup raises the price target for Coinbase to $505. [https://www.thestreet.com/crypto/markets/citigroup-sees-87-upside-for-surging-tech-stock]