The content originally appeared on: CNN London (CNN Business)In a bold attempt to get inflation under control, the European Central Bank on Thursday announced it would hike its key interest rate by a half percentage point. That marks the first time since 2011 that the ECB has raised rates, and takes Europe's main rate back to zero. Rates in the region have been negative since 2014. The move, which takes effect on July 27, comes as Europe battles record inflation […]