European Auto Stocks Decline; Euro Stoxx 50 Falls 2.01% to 4933.3 Points, Stoxx 600 Down 0.1%

European auto stocks lead sectoral fallers with a 1% decline. Euro Stoxx 50 is down 2.01% at 4933.3 points. European shares turn negative after a higher open, with Stoxx 600 down 0.1%. France's CAC 40 underperforms, down 0.9%, Germany's DAX down 0.3%, and Britain's FTSE 100 little changed. Euro Stoxx volatility last up 22.53% to 20.5256 points, reaching its highest level since October and on track for the biggest daily jump in 11 months. Euro 1-month implied options volatility surges above 7.8% to its highest since April 2023, leading to increased market watchfulness for potential spillovers.