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Ethereum Dip Pressures BitMine, but Tom Lee and Ark Keep Buying | US Crypto News

DATE POSTED:December 18, 2025

Welcome to the US Crypto News Morning Briefing—your essential rundown of the most important developments in crypto for the day ahead.

Grab a coffee as BitMine’s bold Ethereum strategy is back in focus with market pressure building and investor nerves fraying. Losses are mounting, the stock is sliding, and yet influential buyers are quietly stepping in, setting up a familiar crypto standoff between conviction and caution.

Crypto News of the Day: Losses Mount at BitMine, Yet Tom Lee and Ark Double Down on Ethereum

BitMine’s aggressive Ethereum treasury strategy is coming under renewed scrutiny as prolonged unrealized losses weigh on investor sentiment and its stock continues to slide.

Shares of BitMine (BMNR), widely described as the world’s largest Ethereum treasury company, have fallen sharply in recent sessions. The stock closed Wednesday at $29.32, down 6.59% on the day and roughly 24% over the past five days,

BitMine (BMNR) Stock PerformanceBitMine (BMNR) Stock Performance. Source: Google Finance

The reflects market unease around both broader market weakness and BitMine’s mounting unrealized losses on ETH holdings.

Yet even as concerns grow around downside exposure, some of crypto’s most influential bulls are doubling down. This highlights a widening divide over Ethereum’s role in institutional treasury strategies.

Despite the drawdown, BitMine Chairman Tom Lee appears unfazed. On-chain data flagged by Arkham Intelligence indicates that Lee has continued to accumulate Ethereum at scale.

“Tom Lee just bought another $140 million ETH. Two fresh wallets just received $140.58 million ETH from FalconX. Their acquisition behavior matches BitMine’s prior purchase patterns. Tom Lee continues to buy the dip,” wrote Arkham.

The activity reinforces BitMine’s long-standing thesis that Ethereum remains structurally undervalued and is positioned to benefit from regulatory clarity, institutional adoption, and the expansion of on-chain use cases. This holds despite near-term price action telling a different story.

Cathie Wood’s Ark Invest is also signaling conviction. According to trade filings, Ark purchased $10.56 million worth of BitMine shares on Wednesday across three of its exchange-traded funds.