CAC 40 Declines; STMicroelectronics (STM), Renault (RNO) Shares Plummet

The CAC 40 index declined moderately on June 23, 2026, closing down 0.7% at 7,543.08 points. The downturn was significantly influenced by sharp declines in major components STMicroelectronics (STM) and Renault (RNO). STMicroelectronics (STM) shares plummeted 10.1% after the company lowered its 2026 revenue forecast to a range of $15.9 billion-$16.4 billion, down from previous estimates of $17.0 billion-$18.0 billion, citing weaker demand. Renault (RNO) stock decreased by 4.5% following a downgrade by JPMorgan from "neutral" to "underweight."