TIINGO USAGE INSTRUCTIONS
To use Tiingo.com you need to sign up on their web site (www.tiingo.com). A free account gives access to limited history of major US stocks and mutual funds. $10/month subscription gives access to all data, see:
https://www.tiingo.com/pricing
Once you sign up with Tiingo.com you need to navigate to:
https://api.tiingo.com/account/token
to see your API authorization code. This code needs to be copy-pasted to AmiQuote Tools->Settings "Tiingo API Auth Code" field.
STOOQ USAGE INSTRUCTIONS
You don't need to sign up to use Stooq.pl but please keep in mind that this site is focused on Polish (Warsaw Stock Exchange) investors and only limited number of US stocks.
Important: US stocks REQUIRE .US suffix.
So instead of MSFT, you would need to use MSFT.US
You can set up translation table (Tools->Translation table) so tickers are automatically translated for you.