An accounting of funds related to the firm's investments, reported on the cash flow statement of a firm's annual report. This number shows how much money the firm has received (or lost) from its investing activities. It includes money that the firm has made (or lost) by investing its excess cash in different investments (stocks, bonds, etc), money the firm has made (or lost) from buying or selling subsidiaries, and all the money the firm has spent on its physical property, such as plants and equipment.