I found multiple market cap data are negative for factset.Fundamentals.mkt_val_public.latest.
mkt_val_public Market Capitalization - Public
Represents market capitalization for the period and date(s) requested
in local currency by default.
This is calculated as: Price - Close for Calendar Period End
(price_close_cp) multiplied by Common Shares Outstanding minus
Closely-Held Shares (shs_closely_held)
There are many values that are negative. The entire sector has negative market cap.
Where can I find a reliable market cap data?