The amount of net change in long-term investments during a specific period. Long-term investments are assets that a company intends to hold for more than one year, such as stocks, bonds, mutual funds, and real estate. The net change in long-term investments includes the cash inflows and outflows from the purchase, sale, or disposal of these assets. The net change in long-term investments is reported as part of cash flow from investing activities on the cash flow statement.