As I have already mentioned, the primary index to watch during the US trading session is the S&P 500 index, as approximately 75% of the companies listed have a very strong US connection, so can be considered to be a good proxy for the US economy.
As I have already mentioned, the primary index to watch during the US trading session is the S&P 500 index, as approximately 75% of the companies listed have a very strong US connection, so can be considered to be a good proxy for the US economy.