U.S. stocks tick down as Apple drags tech sector lowerAustralian scientists make breakthrough in developing unhackable quantum internetEconomy on stable footing, experts sayState energy firms turn to renewables abroadChina AI industry to see scale reach over $240 blnXi Meets OCA Acting President, Expressing Confidence in Spectacular Hangzhou AsiadChina, Zambia to Boost Cooperation as Ties ElevatedNew power system shows example of renewable energy developmentState energy firms turn to renewables abroadNew model reveals seabirds' movement may help analyze animal decision