Possible Clues:

• NYSE, NASDAQ, etc
• Trading places: Abbr
• Stock exchanges: Abbr
• Nasdaq and N.Y.S.E.: Abbr
• Stock exchanges (Abbr.)
• N.Y.S.E. and Nasdaq: Abbr
• Trading ctrs
• Stock exchanges: Abbr.
• Trading places: Abbr.
• N.Y.S.E. and Nasdaq, e.g.