customer;  client;  client company;  business connection;  trade partner
 bargaining chip;  bargaining tool
 black-market dealings;  underhand transactions;  shady trading;  secret dealings;  secret arrangement
 stock trading;  stock transactions;  share trading
 drug deal;  drug dealing;  drug trafficking;  drug trade
 credit transaction;  dealings on credit;  margin transaction;  margin trading
 terms and conditions (e.g. of a purchase or trade)
 volume of business;  turnover
 arms business;  arms dealing;  weapons trade;  weapons dealing
 Financial Instruments and Exchange Act
 stock trading;  stock transactions;  share trading
 option trading;  option dealing;  option transaction
 fictitious transaction;  bogus transaction
 direct transaction;  spot transaction
 direct transaction;  spot transaction
 currency trading (usu. foreign);  exchange dealing;  exchange transaction
 arbitrage;  arbitrage position;  arbitrage transaction
 Federal Trade Commission (USA);  FTC
 fictitious transaction;  paper transaction
 fictitious transaction;  paper transaction
 over-the-counter trading;  OTC trading;  off-floor trading
 over-the-counter trading;  OTC trading;  off-floor trading
 interbank exchange dealings
 stock price index futures trading;  stock-index futures trading;  trading of stock index futures
 sales on credit;  dealings on credit;  on account
 over-the-counter transaction
 swap transactions;  swap dealings
 transaction with repurchase agreement
 registered real-estate broker
 round-trip transaction;  round-tripping
 arbitrage;  arbitrage position;  arbitrage transaction
 ATM;  Automatic Teller Machine
 unfair business practice;  unfair business practices
 regional trade;  local trade;  exchange within a region
 overseas transactions;  foreign transactions
 keiretsu transaction;  financial transaction between affiliated enterprises;  intragroup business deal
 restraint of trade;  trade restriction
 transaction classification;  transaction type
 contract for difference;  CFD
 non-fossil fuel energy value trading market (established in 2018 by the Ministry of Economy, Trade and Industry)