1S1K | Turn $1 into $1,000 | |
| 3RB | Risky and Revenue Recognition Board | |
| 90DSAC | Ninety Days, Same As Cash | |
| A&S | Administrative & Services | |
| AAAC | Average Actual Acquisition Cost | |
| AAE | Average Annual Earnings | |
| AAFI | Al Amin For Investment | |
| AAIB | African Alliance Investment Bank | |
| AAIF | Anglo Adriatic Investment Fund | |
| AAIG | All American Investment Group | |
| AAII | American Associate of Individual Investors | |
| AAIM | Active Asset Investment Management | |
| ABIC | Aboriginal Business and Investment Council | |
| ABID | Al Baraka Investment and Development | |
| ABIF | Aboriginal Business Investment Fund | |
| ABIL | African Bank Investments Limited | |
| ACFI | America’s Center for Foreign Investment | |
| ACFI | Agreement on Cooperation and Facilitation of Investments | |
| ACFI | Alabama Center for Foreign Investment | |
| ACIC | American College of Investment Counsel | |
| ACIC | Atlas Crest Investment Corp | |
| ACIG | Access Capital Investment Group | |
| ACRII | Accelerating Climate Resilient Infrastructure Investment | |
| ACSI | Associate of Chartered Securities and Investment | |
| ADIA | Abu Dhabi Investment Authority |
