Access from the Provider - Comtex News - Categories dialog and click Add. The Categories dialog is displayed.TradeStation Help
The Categories dialog provides you with the available categories the provider supports to use for the News filter.
Access from the Provider - Comtex News - Categories dialog and click Add. The Categories dialog is displayed.
Categories 
Contains a list of categories to use for the News filter.
Click OK to apply changes or Cancel to exit without any changes.