U.S. stocks tick down as Apple drags tech sector lowerNvidia CEO visits BeijingXi Story: President Xi's Sports AspirationChina, TimorAirbus to set up innovation center in ChinaByteDance's platform takes on U.S. eChina's secondChina discovers new oilfield with over 100 mln tones of reservesHong Kong police hold open day for national security education, police force anniversaryChina's space tracking ship Yuanwang