Related Clues:

• Jones' partner
• Certain stock index
• Financial barometer (with "the")
• Part of D.J.I.A.
• Wall Street letters
• 4 p.m. bell-ringer
• The Big Board
• Wall St. org.
• Econ topic
• Busy U.S. market
• DuPont rival
• Jones' publishing partner
• Nasdaq competitor
• Big name in averages
• MBA's interest