(2) The progress in the development of a vaccine against COVID-19 from many companies (AstraZeneca, co-developed with the University of Oxford / Pfizer, developed in collaboration with BioNTech and Moderna Inc.), announced the success of the efficacy of COVID-19 protection at level 90% -95% while the share price in the energy and petrochemical sector continued to increase, causing limited upsides such as PTT TOP, PTTGC and BANPU.【อ่านข้อความเต็ม】