On September 17, the cryptocurrency market continued its volatile pattern, with Bitcoin (BTC) holding the critical support at $110,000, while Ethereum (ETH) fell below $4,500, facing short-term pressure. At the same time, the three major altcoins FROKAI, BLACK, and PUMPBTC surged over 30% against the trend, becoming the market focus. This article will analyze the current market situation from the perspectives of price movement, technical signals, and investment strategies.