The CAC 40 tumbled 1.6% to close at 7,843 on Monday, underperforming its European peers amid a renewed squeeze on domestic risk premia and sharp losses in heavyweight sectors. French sovereign spreads widened again as investors revisited concerns over deficit slippage and political noise, pushing OAT yields back toward spring highs and tightening financial conditions for corporates, particularly in the heavyweight financial sector. AXA (-3.8%), BNP Paribas (-3.5%), Cr