$BTC On December 13th, the BTC market continues to maintain a stable trend with slight fluctuations. Bitcoin is currently facing strong resistance around the price level of $42,000, and there may be slight adjustments in the short term. However, the stability of the USDT continues to help Bitcoin maintain its appeal to investors, especially in the context of altcoins trending upwards. For investors, this could be an opportunity to expand positions in the long term, but it is essential to closely monitor technical signals to avoid unexpected fluctuations.