Commerzbank headquarters in the financial district of Frankfurt, Germany, on Sept. 12, 2024.UniCredit announced on Monday it had increased its stake in German lender Commerzbank to around 21% and submitted a request to boost the holding to up to 29.9%.The Italian bank acquired the additional Commerzbank shares through financial instruments, it said in a Monday statement. Earlier this month UniCredit announced it had taken a 9% stake in Commerzbank, confirming that half of this shareholding was acquired from ...