Health Care

Merck & Co. says its board approved the repurchase of up to $10 billion more of its stock.

Pfizer will buy back $5 billion of its stock under an agreement with Goldman Sachs.

Gilead Sciences Inc. said Tuesday that sales of its newest hepatitis C drug, Harvoni, totaled $2.11 billion in the fourth quarter.

Drugmaker Pfizer says it approved the repurchase of $11 billion in company stock.

The world's largest health insurer raised its dividend by 34% on Wednesday and renewed its buyback program.

A blockbuster year for deal making: 2014 is on track to see the greatest volume of M&A transactions on record thanks to 7,823 year-to-date proposals.

Warren Buffett's Berkshire Hathaway Inc said quarterly profit doubled to a record, reflecting a large gain on its stake in Kraft Heinz Co , while operating profit declined.

The "Doctor on Demand" app, which launched in 15 states this week, let patients skip the traditional visit to the doctor's office for a video chat instead.

Insurance software provider Ebix and an affiliate of Goldman Sachs terminated their proposed merger amid an investigation into alleged misconduct at the insurance software provider.

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market: NYSE Solera Holdings Inc., down $4.21 to $53.66 The insurance claims software company is being acquired by private equity firm Vista Equity Partners for about $3.74 billion.

With their appealing slides and wave pools, splashing around at waterparks is an increasingly popular way to spend a summer day.

Stocks that moved substantially or traded heavily Tuesday on the New York Stock Exchange and the Nasdaq Stock Market: NYSE Novartis AG, up $3.43 to $93.47 The drug developer presented positive data for a potential heart-failure drug and will ask for approval by the end of the year.

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market: NYSE Burger King Worldwide Inc., up $5.29 to $32.40 The burger chain is considering a tie-up with Canada's Tim Hortons in a maneuver that could lower its U.S. tax bill substantially.

High chairs that can potentially entrap a child and poses a strangulation hazard are among this week's recalled consumer products.

The Obama administration says it wants to end discrimination against transgender people throughout the health care system.

Shares of Mallinckrodt slid 12 percent Tuesday after the Irish drugmaker reported disappointing quarterly revenue and said growth in sales of its HP Acthar Gel, the target of a $5.6 billion acquisition last year, may be lower than it expected.

Ford's aluminum-sided F-150 pickup saw mixed results in new crash tests.

Blockbuster hepatitis C medicine Harvoni lifted Gilead Sciences' second-quarter profit by 23 percent as total revenue for the biotech drugmaker jumped 26 percent and it raised its 2015 sales forecast for the second time.

Anthem Inc.'s $48 billion purchase of rival Cigna Corp. is set to create the nation's largest health insurance company.