Vicky Ge Huang / Wall Street Journal : Stablecoin operator Circle reports Q4 revenue up 77% YoY to $770M, vs. $747M est., and $133.4M net income; USDC ended 2025 with ~$75B in circulation, up 72% YoY —  World's second-biggest stablecoin grew in late 2025, defying crash in bitcoin, other digital assets