U.S. stocks tick down as Apple drags tech sector lowerLeading Chinese computer scientist inducted into 2017 Internet Hall of FameChina AI industry to see scale reach over $240 blnWorld should focus more on small businesses, young people: Jack MaMolecular identified as key to suppress inflammation in brainNASA's next Mars mission to probe deep interior of red planetNvidia CEO visits BeijingShanghai makes great strides in improving business environmentChina cuts 88 bln yuan in logistics costs in 2017Xi Sends Congratulatory Letter to China