The largest U.S. websites are installing new and intrusive consumer-tracking technologies on the computers of people visiting their sites—in some cases, more than 100 tracking tools at a time—a Wall Street Journal investigation has found.

The Internet is rife with surveillance technology, but you can protect your privacy by following these steps.

A Wall Street Journal investigation finds that one of the fastest growing businesses on the Internet is the business of spying on American consumers. First in a series.

Tycoon Li Ka-shing's $9.1 billion acquisition of three U.K. power grids from Electricite de France will give him control of about a quarter of the country's power distribution.

The rising clout of international audiences is a sea change for Hollywood. Foreign ticket sales represent 68% of the global market, and studios are using foreign actors and tweaking plots to lure viewers abroad.

U.S. economic growth slowed in the second quarter to a 2.4% annual rate. Business investment was strong, but imports were a big drag and consumers contributed less.

Walt Disney will sell its Miramax Films label for more than $660 million to a group of investors that includes construction magnate Ron Tutor.

MetLife's chief executive, C. Robert Henrikson, is known for breaking out in song to make a point. Can he hit the right note with his plans to diversify the insurer's products and its global reach?