Yahoo

Google, Microsoft, Apple, Yahoo, AOL and Facebook asked for additional oversight and accountability mechanisms for NSA programmes.

Documents leaked by Edward Snowden reveal hacking of internal Google and Yahoo networks to access huge volumes of data.

Yahoo plans to sell up to 208 million Alibaba shares in IPO, lower than previously agreed 261.5 million.

Edward Snowden leaks reveal NSA and GCHQ ability to circumvent technology designed to protect privacy.

Internet giants deny taking part in National Security Agency covert programme to tap users' data.

In Marissa Meyer's first quarter in charge, Yahoo's latest quarterly revenue increased to £680m, a rise of 2 percent year-on-year.

Nikkei average gains 0.08 percent while Shanghai index rises 0.09 percent. KOSPI drops 0.42 percent.

Alibaba raising funds for the buyback through a stake sale to China Investment Corp.

Yahoo files lawsuit claiming patent breaches on social networking, online advertising and security.