Bitcoin (BTC) dropped 3% to below 90,000duringU.S.morningtradingonTuesdayafterameltdowninJapan’sgovernmentbondmarketcombinedwithU.S.PresidentTrump’songoingtariffthreatsagainstEuropetopushriskassetssharplylower.Ether(ETH)fellmorethan73,000 mark for the first time since January 2. Highlighting altcoin weakness, bitcoin's grip over the crypto market has been steadil ...