How did the COVID$-19$ pandemic affect nominal GDP growth in the United States in $2020,$ and what was the initial reaction in the stock market?

$$ It led to a decline in nominal GDP growth of $-3,5\%$ and the stock market initially declined significantly before recovering.

It increased nominal GDP growth by $2\%$ and the stock market increased significantly on the news.

It caused no significant change in nominal GDP growth and the stock market was unaffected.