Microsoft is paying $1.2 billion to buy San Francisco-based Yammer, an Internet startup that has built a social network similar to Facebook for the business world.
LinkedIn Corp. says its first-quarter profit more than doubled, and the business networking company is buying presentation sharing website SlideShare for $118.8 million.
Facebook says it will spend $1 billion to buy the photo-sharing software company Instagram.
A limited amount of tickets for the general public went on sale Tuesday morning and were sold out almost instantly.
Internet company Yahoo Inc. has agreed to buy online advertising network Interclick Inc. for $270 million in cash.
Microsoft Corp. said Tuesday that it has agreed to buy the popular Internet telephone service Skype SA for $8.5 billion in the biggest deal in the software maker’s 36-year history.
Yahoo has bought the maker of mobile software that makes it easier for people to let their friends know what TV shows they’re watching.
San Francisco-based Charles Schwab is buying online brokerage services provider OptionsXpress for $1 billion.
Yahoo is trying to spruce up its online advertising service by buying a startup called Dapper.