How come some indexes have no volume? For example, $BKX Bank Index - Philadelphia, $BTK Biotech Index and $INX Internet Index. Can you trade these indexes?
Second question, how can you tell what stock is related to a particular index. Is there a database that lists stocks and the indexes they are most closely aligned with?
Second question, how can you tell what stock is related to a particular index. Is there a database that lists stocks and the indexes they are most closely aligned with?