$Bitcoin (BTC.CC)$ pushed above $78,000, lifting the broader crypto market. The move came as risk sentiment improved after U.S. President Donald Trump extended the ceasefire with Iran. Stock index futures also gained.

The cryptocurrency’s ascent ended the weeks of choppy trading between $65,000 and $75,000 that defined March and early April, finally giving momentum traders the green signal they had been waiting for.

Momentum traders buy when they see proof that an upward trend is underway. Bitcoin’s breakout is exactly that, and more buyers could pile in as a result, adding to the momentum. As the first law of motion says: An object in motion stays in motion until an outside force acts upon it, though Sir Isaac Newton may not have been…