"Riding high! $FUN Fair/TetherUS is on fire with a 31.24% surge! #cryptocurrency #FunFair #TetherUS #marketwatch"

Alternatively, you could also use:

"Big gains alert! FunFair/TetherUS jumps 31.24% in a short span! #cryptotrading #FunFair #TetherUS #investment"

Or:

"Crypto boom! FunFair/TetherUS sees a significant 31.24% increase! #cryptocurrencynews #FunFair #TetherUS market update"