Source: Cointelegraph.com NewsBTC and select altcoins notched small gains after the Federal Reserve rolled out a 75 basis point rate hike, but technical analysis suggests that further downside is the most realistic outcome.Read MoreMarkets, Bitcoin, Ethereum, Binance Coin, Cardano, Ripple, Solana, Dogecoin, Polkadot, UNUS SED LEO, Shiba Inu, Price analysis