Weekend market fluctuations are intense, with sharp shakeouts and volatile movements, initially falling then rebounding back and forth. Bitcoin dropped from 770 to 742 and then surged again to 774. The rollercoaster market is clearing out a large amount of floating capital. The four-hour chart shows a stabilization after stopping the decline, with continuous bullish candles after a new low, indicating a rebound. The bearish momentum is exhausted, MACD is turning upward, and KDJ is rising, confirming an obvious bullish rebound trend.