Express Scripts will buy rival Medco for $29.1B.
More people sought unemployment benefits last week.
Eurozone set for Greek deal, temporary default.
Hope for Europe crisis meeting lifts markets.
Progress scarce as debt limit impasse continues.
United Continental 2Q profit drops.
AT&T stays strong against threat of Verizon iPhone.
Eli Lilly 2Q profit falls 11 percent.
New York Times posts 2Q loss due to writedown.
Entire Apple stores being faked in China.