20090522 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 1569, 1456, 115, 411833000, 626078000, 16527000, 7, 2 AMEX, 268, 254, 57, 5937000, 5173000, 804000, 11, 1 NASDAQ, 1218, 1468, 152, 654239000, 919239000, 23190000, 21, 5