Using a simple form field makes the user feel like they can only add as many tickers as fit into the form. Perhaps send the ticker symbols to another location (a grid or something where they can be edited?) so that the user knows he/she can add as many as desired.
Using a simple form field makes the user feel like they can only add as many tickers as fit into the form. Perhaps send the ticker symbols to another location (a grid or something where they can be edited?) so that the user knows he/she can add as many as desired.