First term	Second term
the american stock	american stock exchange	0.4932
the american stock	hong kong futures	0.3014
the american stock	new york stock	0.2708
the american stock	south african futures	0.2537
the american stock	new york cotton	0.2264
the american stock	new york mercantile	0.2167
the american stock	york cotton	0.2034
the american stock	amex	0.2014
the american stock	york mercantile	0.1857
the american stock	singapore international moneta	0.1765
the american stock	chicago board	0.1702
the american stock	stock exchange	0.1692
the american stock	york stock exchange	0.1642
the american stock	kansas city board	0.1589
the american stock	board of trade	0.1466
the american stock	chicago mercantile	0.1458
the american stock	financial futures	0.1418
the american stock	cotton	0.1337
the american stock	international financial	0.1329
the american stock	international monetary	0.1275
the american stock	singapore	0.1238
the american stock	sugar and cocoa	0.1230
the american stock	grain	0.1202
the american stock	mercantile	0.1171
the american stock	sugar	0.1162
the american stock	new zealand futures	0.1143
the american stock	american	0.1035