- Aval
- Avalizor
- Average
- Average accounting return
- Average (across-day) measures
- Average age of accounts receivable
- Average collection period, or days' receivables
- Average cost
- Average cost of capital
- Average daily balance
- Average discount rate
- Average down
- Average equity
- Average life
- Average maturity
- Average rate of return (ARR)
- Average tax rate
- Average up
- Averaging
- Avoided cost
- Away
- Away from the market
- Away from us
- Away from you
- Axe to grind
- B
- B2B
- BA
- BAM
- BAN
- BAR
- BB
- BBD
- BD
- BDT
- BE
- BEACON
- BEARS
- BEF
- BF