U.S. stocks tick down as Apple drags tech sector lowerChongqing to build worldContainer shortage adds to export costsDemand from China drives U.S.' soybean tradeXi Meets Kuwaiti Crown Prince, Pledging to Take Bilateral Ties to New HeightsNASA's next Mars mission to probe deep interior of red planetNew model reveals seabirds' movement may help analyze animal decisionChina launches new Earth observation satellite for environmental monitoringChina discovers 1Searches for hotels surge 4 times after China