Tumblr Inc. Chief Executive Officer David Karp, a 26-year-old who started the company in 2007, signed a note announcing Yahoo! Inc.’s $1.1 billion acquisition with the closing, “F--- yeah.”

A cheap regimen of vitamins in use for decades is seen by scientists as a way to delay the start of Alzheimer’s disease and dementia, a goal that prescription drugs have failed to achieve.

China’s trade surplus is one-tenth the official $61 billion reported so far this year after accounting for fake transactions used to disguise hot-money inflows, Bank of America Corp. says.

Microsoft Corp. is revamping the Xbox to fend off a breed of competitors ranging from Apple Inc. to Facebook Inc. Those companies were nowhere in gaming when the software maker debuted its last version five years ago.

Ravi Shanker makes weekly pilgrimages to Chilkur Balaji temple outside Hyderabad, India, asking for a little help on a visa from an incarnation of Lord Vishnu.

Hedge-fund managers are making the biggest ever bet against gold as billionaire George Soros sold holdings last quarter and Goldman Sachs Group Inc. predicted more declines after the longest slump in four years.

North Korea fired its sixth short- range missile in three days, demonstrating its military capabilities in defiance of global sanctions while stopping short of rekindling the tensions of past months.

U.S. stocks declined, after the Standard & Poor’s 500 Index climbed four straight weeks, as investors weighed the pace of central bank stimulus efforts amid corporate dealmaking.