Earnings Report

WellPoint posted a decline in first-quarter profit on reform costs but benefited from an increase in medical enrollment. 

Cigna posted lower fourth-quarter profits as medical costs increased, and offered a soft full-year outlook. 

The health insurer revealed a 68% decline in fourth-quarter profit on an across-the-board decline in membership, but it expressed optimism about enrollment in the new year.  

Cigna's 3Q profit beat analysts' expectations as revenue increased and it managed medical costs in its commercial business.

Aetna reported a lower-than-expected profit for the 3Q, when cuts in government funding hurt results in the private Medicare business.

UnitedHealth's 3Q profit rose about 1% as an additional 275,000 people in its health insurance plans offset higher Medicare operating costs.

Humana's 2Q  profit rose 18% as membership grew and premiums increased. 

The No. 2 U.S. drugmaker revealed considerably shy second-quarter revenues Tuesday, but profits narrowly surpassed Wall Street's view. 

UnitedHealth posted a bigger-than-expected rise in second-quarter earnings more people enrolled in its government-backed and private plans. 

The upcoming economic calendar is sparse by comparison to last week: manufacturing reports, trade data and more earnings.

All times are Eastern.

Shares of AK Steel fell in premarket trading Friday after the company forecast a first-quarter loss because of lower-than-expected shipments and prices.

All times are Eastern TUESDAY, Aug. 5 WASHINGTON — Commerce Department releases factory orders for June, 10 a.m.; Institute for Supply Management releases its service sector index for July, 10 a.m.

Sports apparel maker Under Armour said Wednesday it aims to double its revenue by 2018.

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market: NYSE Hospira Inc., up 34 cents to $89.85 Pfizer Inc. received regulatory clearance to move forward with its $15.23 billion buyout of the injectable drug device maker.

All times are Eastern.

Japanese automaker Honda is seeing a 20 percent jump in fiscal first quarter profit on the back of a cheap yen that offset the damage from a massive air bag recall.

All times are Eastern.

Valeant Pharmaceuticals turned in quarterly results that topped analysts' estimates on Thursday, as adjusted earnings and sales climbed.

General Motors Co. (GM) on Thursday reported second-quarter earnings of $1.12 billion.