Regarding b) this is irrelevant to the stock market which is a secondary market used mostly for speculation. Trading company stock after IPO and not for active governance has no impact on the company itself and the economy. Company results are just a narrative for speculation between traders.
The price of Bitcoin in May of 2020 was under $10k.
a.) we are not at pre-corona levels yet and
b.) most of the highly valued companies which are publicly tradable will continue to provide value to the world or their customers, contrary to the crypto crap.