Cat-themed cryptocurrency Kitty AI (CRYPTO: KITTY) surged Thursday as the countdown to the YouTube livestream of controversial trader “Roaring Kitty” began. What Happened: The Solana (CRYPTO: SOL)-based memecoin moved 65% higher, with trading volume more than doubling to $8.73 million in the last 24 hours, according to data from CoinMarketCap. The cryptocurrency rallied handsomely this week, notching up gains of nearly 119%, driven by a social media post by Keith Gill, better known online as “Roaring Kitty.” The memecoin, which had nothing to do with Roaring Kitty or the company at the center …