When Bitcoin (BTC) increases by more than 6% and reaches a price of $64000, several factors could be contributing to this movement:

1. **Market Sentiment:** Positive news or developments, such as institutional adoption, regulatory clarity, or macroeconomic factors, could be driving the price up.

2. **Technical Analysis:** This price movement might be a breakout from a technical resistance level, indicating a bullish trend. Traders often look for such signals to enter or adjust their positions.

3. **Economic Factors:** Broader economic trends, such as inflation concerns or changes in interest rates, can influence the demand for Bitcoin as an alternative asset.

4. **Market Reactions:** Significant buying pressure or large transactions could be driving up the price. News of large investments or endorsements can also impact Bitcoin's value.

5. **Market Dynamics:** Bitcoin’s price can be influenced by trading volumes and liquidity. A sudden surge in volume or a reduction in sell pressure might lead to such a price increase.

For a thorough analysis, you would need to consider these factors in detail and review up-to-date charts, news, and market data.$BTC