From a review of the tradingview.com website, I identified the 27 Vietnamese Companies with stock market caps recently above 50 trillion in Vietnamese Dong (VND).
Also from a review of the wallstreetjournalmarkets.com and the investing.com websites, the table below shows the Consolidated Net Income (Loss) from Continuing Operations for fiscal years 2021, 2020 and 2019 for each of these 27 largest Vietnamese Companies.