U.S. stocks tick down as Apple drags tech sector lowerChina's 5G phone shipments top 167 mln in 2020: reportChongqing to build worldChina renews blue alerts for severe convection weather, sandstormsChongqing to build worldAutomotive future lies in integrated technology: ResearchNvidia CEO visits BeijingChina's auto export ranks first globallyEconomy on stable footing, experts sayChina's auto export ranks first globally