Crossword Puzzle Broker's client

Clue: Broker's client

Sound from a masseur's client (AAH with 3 letters)
Star's broker (AGENT with 5 letters)
Client of Shylock (ANTONIO with 7 letters)
Broker's suggestion (e.g. BUY with 3 letters)
Signal to a broker (BUY with 3 letters)
Ashley ___ (sex worker who knew Eliot Spitzer as "Client 9") (DUPRE with 5 letters)
Stockbroker's client (INVESTOR with 8 letters)
Client-server system, briefly (LAN with 3 letters)
Broker's security (MARGIN with 6 letters)
Marriage broker's suggestion (MATCH with 5 letters)