The site is expected to sell a 10% stake for as much as $10-billion but there are doubts about its value.

Carol Bartz has been fired over the phone by Roy Bostock, ending a tumultuous tenure marked by stagnation and a rift with Chinese partner Alibaba.

China has announced new rules to control the explosion of audio-visual content on the internet, in a move seen as an effort to transfer the government’s television- and…