Panzer III addition, to counter enemy anti-tank rifles, starting from 1943, the Ausf. L version began the use of spaced armour sideskirts and screens (known as "Schürzen" in German) around the turret and on the vulnerable hull-sides. However, due to the introduction of the upgunned and more-armoured Panzer IV, the Panzer III was, after the German defeat at the Battle of Kursk in the summer of 1943, relegated to secondary/minor combat roles, such as tank-training, and it was finally replaced as the main German medium tank by the Panzer IV and the Panzer V Panther. The Panzer III's strong, reliable and durable
MK Group Serbia. MK Group through its subsidiary company MK Commerce founded BDD M&V Investments brokerage firm which operates on the Belgrade Stock Exchange. However, BDD M&V Investments with its subsidiaries is not a part of the holding. M&V Investments controls a large ownership share of one of the largest Serbian banks AIK Banka (since 2014), which later acquired and integrated another Serbian bank Jubanka in 2017. As of 31 December 2017, AIK banka has total assets of 1.767 billion euros. Also, as of December 2017, AIK Banka is a majority shareholder with 75.99% of the Slovenian bank Gorenjska banka. As of