Circle's stock has plunged 25% over the past week, driven by investor concerns over the proposed CLARITY Act and increased competition from Tether. The CLARITY Act draft, released on March 24, suggests banning stablecoin companies from offering yield on user holdings, a move that could significantly impact Circle's business model. This uncertainty has led to a sharp sell-off, with Circle's stock closing at $93.66 on March 27, despite a slight after-hours recovery. Adding to Circle's challenges, Tether has enhanced its transparency by engaging top auditing firms like KPMG and Deloitte to review its reserves. This move could attract institutional investors currently aligned with Circle's USDC, intensifying competition. The uncertainty surrounding the passage of the CLARITY Act further exacerbates the situation, leaving Circle under significant pressure to maintain its market position.