How do I say "playing with funds" in English when discussing investment activities?

In the context of investment activities, the phrase "playing with funds" is typically translated as "managing funds" or "investing funds". The term 'playing' might suggest a casual or less serious approach, whereas 'managing' and 'investing' imply a more professional and strategic use of resources. It's important to maintain a professional tone when discussing financial matters to ensure clarity and respect for the subject.