| BALCX | MBAIX | BALCX / MBAIX | |
| Total Expense Ratio | 1.30 | 0.82 | 159% |
| Annual Report Gross Expense Ratio | 1.30 | 0.82 | 159% |
| Fund Existence | 26 years | 37 years | - |
| Gain YTD | 7.959 | 7.858 | 101% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 1000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 285B | 443M | 64,334% |
| Annual Yield % from dividends | 1.14 | 2.08 | 55% |
| Returns for 1 year | 5.86 | 5.69 | 103% |
| Returns for 3 years | 38.31 | 25.11 | 153% |
| Returns for 5 years | 27.49 | 2.04 | 1,345% |
| Returns for 10 years | 75.19 | 24.70 | 304% |