Here is a brief look at some corporate announcements and news flow on Tuesday (Aug 16), which include Malaysia Airports Holdings Bhd, Guan Chong Bhd, Apex Healthcare Bhd, Duopharma Biotech Bhd, Berjaya Food Bhd, GuocoLand (Malaysia) Bhd, MK Land Holdings Bhd, Dayang Enterprise Holdings Bhd, Swift Haulage Bhd and PLS Plantations Bhd.