Express Scripts will buy rival Medco for $29.1B.
Eurozone set for Greek deal, temporary default.
Progress scarce as debt limit impasse continues.
More people sought unemployment benefits last week.
New York Times posts 2Q loss due to writedown.
Entire Apple stores being faked in China.
AT&T stays strong against threat of Verizon iPhone.
Hope for Europe crisis meeting lifts markets.
US Airways says fuel sliced into 2Q profit.
Nokia posts $523M loss, slips behind iPhone.