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Companies in upstream production search for oil deposits and extract them. Downstream companies are closer to the consumer and are involved in refining and marketing.

Companies including Samsung have been promoting the practice of sharing content by bumping two devices together — transmitting photos, videos and other files from phone to phone using Near Field Communications.

College isn’t getting any cheaper, and that means students need financial help wherever they can ge it. Amazon.com is trying to pitch in, rolling out a new way for students to save up to 80 percent off electronic editions of textbooks.

Communication between China and Russia in education has a long history.

Communication equipment company shares posted gains after Chinese telecoms gear-maker ZTE Corp hit the daily increase limit. Hangzhou Freely Communication Co Ltd and Wenzhou Yihua Connector Co Ltd all saw their share prices rise by the daily maximum of 10 percent.