IEX Shares Plunge 10% as CERC Greenlights Day‑Ahead Market Coupling Economy IEX Shares Plunge 10% as CERC Greenlights Day‑Ahead Market Coupling Harsh July 24, 2025 IEX shares hit lower circuit after power regulator CERC approves electricity market coupling for DAM by Jan 2026,... Read More Read more about IEX Shares Plunge 10% as CERC Greenlights Day‑Ahead Market Coupling