Rheinmetall AG $RHM.DE is rapidly redefining its role within the European equity landscape. The company, recognized as a key supplier of military vehicles and ammunition, has demonstrated record-breaking share price growth amid heightened defense spending across Europe. As a result, Rheinmetall is set to enter the prestigious Euro Stoxx 50 benchmark on June 20, displacing Kering SA $KER.PA, the French luxury group best known for the Gucci brand.