Crossword Clue:

Bygone N Y S E ticker symbol

Answer	Crossword Clue
ATT	Bygone N.Y.S.E. ticker symbol
ATT	Old N.Y.S.E. ticker symbol that's now just "T"
IBM	Its name is also its N.Y.S.E. symbol

ALCOA	Dow Jones industrial with the N.Y.S.E. symbol "AA"
ITT	Conglomerate whose N.Y.S.E. symbol is the same as the company's name
IRT	Bygone operator of N.Y.C.'s Second Avenue El