| 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 | 9.011 | 4.809 | 187% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 1000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 288B | 442M | 65,158% |
| Annual Yield % from dividends | 1.16 | 2.10 | 55% |
| Returns for 1 year | 15.81 | 8.27 | 191% |
| Returns for 3 years | 41.11 | 24.49 | 168% |
| Returns for 5 years | 31.93 | 0.79 | 4,036% |
| Returns for 10 years | 80.43 | 23.72 | 339% |