U.S. stocks tick down as Apple drags tech sector lowerU.S. stocks tick down as Apple drags tech sector lowerChina cuts 88 bln yuan in logistics costs in 2017Australia on track to eliminate cases of hepatitis C by 2030China sees stronger momentum for scientific and technological innovation over past five yearsHistoric image of black hole reveals surrounding magnetic fieldsHistoric image of black hole reveals surrounding magnetic fieldsState energy firms turn to renewables abroadFour Long March 11 launches by sea plannedFour Long March 11 launches by sea planned