| BALCX | MBAIX | BALCX / MBAIX | |
| Total Expense Ratio | 1.30 | 0.82 | 159% |
| Annual Report Gross Expense Ratio | 1.30 | 0.82 | 159% |
| Fund Existence | 25 years | 37 years | - |
| Gain YTD | 9.372 | 4.968 | 189% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 1000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 279B | 445M | 62,697% |
| Annual Yield % from dividends | 1.16 | 2.10 | 55% |
| Returns for 1 year | 16.84 | 9.18 | 184% |
| Returns for 3 years | 42.32 | 24.50 | 173% |
| Returns for 5 years | 31.27 | -0.38 | -8,182% |
| Returns for 10 years | 77.17 | 22.16 | 348% |