BTC shows a weakening upward momentum on the hourly chart, currently being suppressed by the downtrend line. The closing bullish line entity is gradually shrinking, forming a small doji bearish line, indicating the need to be cautious of potential changes in the market trend. The current trend line resistance has moved down to the 65700 level, so the morning trading position at the 65500 level is a relatively safe choice. At this level, courageous investors can enter the market actively, while conservative investors should remain cautious. Reiterating the previous view, a rebound is an opportunity to enter the market, and investors who decide to participate will have a chance to profit.