Top Pakistan medical official resigns for mishandling fast bowler's elbow injuryOklahoma teen Noah Presgrove's cause of death is revealedUS stocks close mixed as traders digest Fed chair's messageIraqi PM vows to diversify national economyMaryland officials release timeline, cost estimate, for rebuilding bridgeChina expresses grave concerns over Japan's planned export controlsHamas says to halt Gaza ceasefire negotiations if Israel attacks RafahEmerging trends for upcoming May Day holidayGlobal think tank forum highlights future industries, innovationAI use by businesses is small but growing rapidly, led by IT sector and firms in Colorado and DC