Source: Cointelegraph.com NewsBitcoin and most major altcoins are witnessing aggressive selling at higher levels, indicating that the bears are trying to make a comeback.Read MoreMarkets, S&P 500, US dollar, Bitcoin, BTC price, ETH price, Ethereum, Binance Coin, BNB, XRP price, Ripple, Cardano, ADA price, MATIC price, Polygon, Dogecoin, DOGE price, Solana, SOL Price analysis