Crypto-linked stocks fell sharply Tuesday morning as Bitcoin declined and investors awaited a critical Senate vote on crypto regulation, with the Federal Reserve's rate decision also due Wednesday. Coinbase Global shares fell 7% to $178. Strategy, formerly known as MicroStrategy, slid 5% to $130.32. MARA Holdings dropped a more modest 2% to $11.2. Bitcoin was down 3.1% over the past 24 hours, trading at $76,180. The Senate vote is the day's key catalyst The Senate is scheduled to vote at 2:15 PM ET on whether to advance the Clarity Act, legislation intended to create a clearer federal framework for digital assets.