Multinationals and Covid-19

The number of world-wide multinational subsidiaries has been increasing in every half-year interval since mid-2016 2. But it has declined from 12/31/2019 to 04/13/2020. This is largely accounted for by low entry rates. 3. Similar pattern for US-parent-Chinese-child relations. The number decreased largely accounted for by low entry rates 4. Similar pattern for "Any major country"-parent-Chinese-child relations. 5. Similar pattern for US-parent-non-Chinese-child relations. How did firm-level and subsidiary-level variables (employment, stock prices, sales, etc) change during Covid-19 outbreak depending on the location of their global subsidiaries?–Did companies with more subsidiaries in China (or specifically Hubei) suffer more?–What about Chinese parent firms having subsidiaries in other countries with travel restrictions?–Similar questions for European countries, Iran, etc.–How about firms in the countries that suppressed the outbreak successfully (so far), such as Taiwan and South Korea?