Uber's Mideast rival Careem Networks has raised funding, putting it at a $1 billion valuation.Citing an SEC filing, Techcrunch reported that STC acquired a 10% stake in Careem for $100 million. The tech news site also added that the $350 million funding is part of a larger $500 million target for Careem. Careem's other backers include Mideast buyout shop Abraaj Group and Al Tayyar, a travel and tourism company in Saudi Araba.