Plants do not respond well to changes in location. In nature, they never move. Although the light may appear to be the same to you in its new location, the chances are that is has changed at least somewhat. That can cause leaf drop and may necessitate altering your watering routine.
It is also possible that your Money Tree is simply losing older leaves at the bottom as it adds new ones on top. These plants often develop a leggy appearance unless they are pruned or pinched back regularly.
