By Alun John, Amanda Cooper, Hannah Lang LONDON (Reuters) -Bitcoin dropped below $90,000 to its lowest since November 18 on Tuesday, as market nerves over U.S. tariffs reinforced the blow to crypto investor confidence from last week's $1.

Bitcoin, BTC= the world's largest cryptocurrency by market value, broke below $90,000 to its lowest since November 18, falling by as much as 7.5% at one point. It was last down 5% on the day at $89,314.

Bitcoin has fallen below $90,000, marking its lowest point since mid-November, as a massive crypto selloff shakes the market. The drop follows Donald Trumps trade tariffs, rising ETF outflows, and a $1.