Renault shares plummeted 16% on Wednesday following a profit warning issued by the French automaker. The warning signals anticipated financial difficulties and will necessitate job cuts within the company. The market reacted sharply to the news, reflecting investor concerns about Renault's future performance and its ability to navigate current economic challenges. The extent of the job cuts and the specific factors contributing to the profit warning were not immediately detailed, but the announcement has already triggered significant volatility in Renault's stock price.