Yahoo Inc. is jumping on the Twitter bandwagon in its latest attempt to get people to use its Internet search engine more frequently.

A federal judge on Wednesday denied a request by AT&T Inc. to force competitor Verizon Wireless to pull its "There's a Map for That" commercials. ... more

Air travelers nationwide scrambled to revise their travel plans Thursday after an FAA computer glitch caused widespread cancellations and delays for the second time in ... more

Medical device maker China Medical Technologies Inc. said Thursday it took a loss in the fiscal second quarter as it cut prices for testing kits, ... more

Media mogul John Malone says Comcast's plan to buy a controlling stake in NBC Universal would give it too much market power and force competitors ... more