• AAA
• AARP
• AB
• A-B Trust
• Abenomics
• Ability-to-Pay Taxation
• Abnormal Return
• Absolute Advantage
• Absolute Return
• Absorption Costing
• Absorption Rate
• Accelerated Depreciation
• Acceleration Clause
• Acceptable Quality Level (AQL)
• Accepting Risk
• Accidental Death and Dismemberment Insurance (AD&D)
• Accidental Death Benefits
• Account Balance
• Account in Trust
• Account Number
• Account Statement
• Ad Valorem Tax
• ADD - NYSE Net Advancing Stocks
• Addition Rule for Probabilities
• Additional Child Tax Credit
• Additional Paid-In Capital
• Add-On Interest
• Adhesion Contract
• Adjudication
• Adjustable Life Insurance
• Adjustable Rate Mortgage ARM
• Affiliate
• Affiliate Marketing
• Affiliated Companies
• Affirmative Action
• Affluenza
• Affordable Care Act
• Afghan afghani AFN
• After Hours (AH) or Overnight Session (ON)
• After The Bell
• After-Hours Trading
• Agency Bond
• Agency Bonds
• Agency by Necessity
• Agency Costs
• Agency Problem
• Agency Theory
• Agent
• Aggregate Demand
• Aggregate Stop-Loss Insurance
• Aggregate Supply
• Air Pocket
• Air Pocket Stock
• Air Waybill (AWB)
• Aktiengesellschaft (AG)
• Alan Greenspan
• Albanian lek ALL
• Alberto Musalem
• Aleatory Contract
• Algerian Dinars DZD
• Algorithmic Trading
• All About Schedule A (Form 1040 or 1040-SR): Itemized Deductions
• All Risks
• All Sessions
• Alligator Spread
• Amalgamation
• Amended Return
• American Association of Individual Investors AAII
• American Depositary Receipt (ADR)
• American Depositary Share (ADS)
• American Dream
• American Express Card
• American Opportunity Tax Credit (AOTC)
• American Option
• American Stock Exchange (AMEX): Definition, History, Current Name
• Analysis of Variance (ANOVA)
• Anchoring
• Anchoring and Adjustment
• Android Operating System
• Angel Investor Definition and How It Works
• Angolan Kwanza AOA
• Animal Spirits
• Annual Equivalent Rate (AER)
• Annual General Meeting (AGM)
• Annual Percentage Rate (APR)
• Appellate Courts
• Applicable Federal Rate (AFR)
• Application Programming Interface (API)
• Application-Specific Integrated Circuit (ASIC)
• Applied Economics
• Appraisal
• Appraisal Costs
• Appraisal Management Company (AMC)
• Appreciation
• Appropriation
• Arab League
• Arbitrage
• Arbitrage Pricing Theory (APT)
• Arbitrageur
• Arbitration
• Arc Elasticity
• Argentine Peso ARS
• Arithmetic Mean
• Armenian Dram AMD
• Arms Index (TRIN)
• Ascending Channel
• Ascending Triangle
• A-Shares
• Asian Development Bank
• Asian Financial Crisis
• Asian Infrastructure Investment Bank (AIIB)
• Asia-Pacific Economic Cooperation (APEC)
• Ask
• Assemble to Order (ATO)
• Assessed Value
• Asset
• Asset Allocation
• Asset Class
• At Par
• At The Market (ATM)
• At The Money
• At The Money (ATM)
• Atlanta Fed Business Inflation Expectations
• Atomic Swaps
• Attorney-in-Fact
• Attribution Analysis
• Attrition
• Auction Market
• Audit
• Audit Committee
• Audit Risk
• Auditor
• Auditor's Opinion
• Auditor's Report
• Augmented Product
• Austan Goolsbee
• Austerity
• Available Balance
• Available-for-Sale Security
• Average Age Of Inventory
• Average Annual Growth Rate (AAGR)
• Average Annual Return (AAR)
• Average Collection Period
• Average Cost Basis
• Average Cost Method
• Average Daily Balance Method
• Average Daily Rate (ADR)
• Axe
• Azerbaijani manat AZN