Bitcoin price struggle to stay above $85,000 after volatile swings and loss of momentum.President Trump's announcement on establishing a U.S. strategic crypto reserve briefly lifted sentiment but failed to sustain a breakout.Bitcoin's market conditions expected to remain slow until sentiment in the U.S. improves, leaving the market in a volatile, range-bound environment.Despite recent weakness, on-chain activity and strong fundamentals suggest broader bull trend is still intact for Bitcoin.