China's Xiaomi becomes most valuable tech start-up

Chinese smartphone maker Xiaomi has become the world's most valuable technology start-up just four years after it was founded. The firm raised $1.1bn (£708m) in its latest round of funding, giving it a valuation of $45bn, which surpassed the $40bn value of taxi booking app Uber. via Pocket http://www.bbc.co.uk/news/business-30629883#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa