The US markets inched higher again on Tuesday as investors responded to strong corporate quarterly earnings results. Microsoft rallied in after-hours trade following the release of strong first quarter results that easily topped estimates and expectations. Pfizer shares also rallied after hours as the committee advising the US FDA recommended the FDA to approve Pfizer & BioNTech's COVID-19 vaccine for children 5-11. Elon Musk?s net worth surged by US$36bn in just one day.