Quote from jonp:
something else to note, the spy took out the june and august highs yesterday, but the s and p did not. the q's took out the highs, but the nasdaq itself did not. shortie mentioned this earlier. why is this?
http://finance.yahoo.com/q/hp?s=^IXIC&a=03&b=5&c=2010&d=08&e=15&f=2010&g=d