U.S. stocks post weekly gains amid tax bill, dataChina steps up development of intelligent vehicles'Global status far off for China's carmakers'World should focus more on small businesses, young people: Jack MaA Boeing 737 MAX arrives in Guangzhou, ending nearly 5Railway logistics centers completeRailway logistics centers completeContainer shortage adds to export costsNew model reveals seabirds' movement may help analyze animal decisionChina's current account surplus remains in reasonable range