🟢 Circle Internet Group is trading 4.5% up today after Arc public mainnet launch

Circle Internet Group is trading 4.5% up at $84.10 after Arc’s public mainnet launched on September 16, 2026.

• Institutional validators include BlackRock, DTCC, Visa, Mastercard, and ICE, with more than 100 ecosystem and institutional builders.
• Arc supports USDC-based financial-market infrastructure.
• Crypto sentiment is supportive: Ethereum is up 2.10% and Bitcoin 0.54% since September 16, while broader equities are rallying as well.