Stock markets fell sharply on March 9, 2020, as Russia and Saudi Arabia disagreement on curbing oil production sparked fears of a price war and the worst one-day crash in crude prices in nearly 30 years.  The Dow Jones Industrial Average fell by more than 2,000 points, its biggest single-day percentage decline since the 2008 Global Financial Crisis. A day earlier, Hong Kong’s benchmark Hang Seng Index plunged by 4.2 per cent -- its worst single-day fall in two years. By Tuesday, the markets…