I regularly look at the largest technology companies in the USA and Europe and obviously this year, I had the impact of Covid in mind. Here are the tables I build once a year (and that you could compare to the ones published in January 2020 here or in 2017 here.

I am adding below their PS (price to sales, ratio of market cap to revenues) and PE (price to earnings, ratio of market cap to profits when positive) as well as the growth of the market cap. and revenues. There are 3 new companies I had not studied last year (Airbnb, Paypal and AMD) for which the growth is therefore not mentioned.

There would be many comments to give btu I will be fast:
– The GAFAs are the clear leaders, 4 of them are trillion dollar companies. Facebook is a little surprinsingly not as impressive and Tesla is appearing on top.
– The COVID did not have a big impact, not to say it had a positive impact on technology companies (in financial more than in economic terms)
– Again, looking at averages we see Europe is lagging in market caps, employement, sales and profits by factors close to 10…