Source: Cointelegraph.com NewsBTC and most altcoins are facing strong selling at the top of each rally, but the short-term downside could be limited since Bitcoin bulls keep buying each dip.Read MoreMarkets, Bitcoin, Ethereum, Binance Coin, Ripple, Cardano, Solana, Dogecoin, Polkadot, Avalanche, Shiba Inu, Price analysis