The European Central Bank on Thursday cut its key interest rate by 0.25 percentage points, down to 3.5%. The deposit facility rate is the interest that banks receive for parking funds at the ECB. Changing interest rates can help control inflation. The ECB last cut its rates in June, and then kept them steady in July. Inflation in the eurozone fell to 2.2% year-on-year in August, the lowest figure since 2021, but central banks have warned that core inflation – excluding more volatile indicators such as energy and food prices – remains at 2.8%. The ECB made its decision based on an “updated asse…