9. -- Aetna ( AET) said first-quarter net income fell 4% but the earnings still topped expectations, and the health insurer also raised its forecast for 2013. 10. -- Japan's SoftBank won't be improving its $20.1 billion bid for 70% of Sprint ( S) despite Dish Network's ( DISH) counter-offer to buy the wireless company. Softbank founder Masayoshi Son told Reuters there is no need to raise its bid for Sprint because "we believe our offer is above theirs." -- Written by Joseph Woelfel >To contact the writer of this article, click here: Joseph Woelfel >To submit a news tip, send an email to: firstname.lastname@example.org.