Historical clue formulations

• Stock market figs. — 2012-11-11
• N.Y.S.E. nos. — 2009-06-06
• Means: Abbr. — 2007-09-21
• Some baseball stats: Abbr. — 2006-10-13
• Stock market figs. — 2004-08-01
• Middle amts. — 1994-08-07