Exchange traded funds are: baskets of securities that trade like a single stock. mutual funds that trade on the big board. groups of securities that trade only on regional exchanges. index funds that trade on the nyse.

Option (a) is correct.

Explanation:

A basket refers to the variety of multiple stocks at one place and it carries a collection of securities. These securities are traded as a single stock. But basket order requires a program that incorporates trade of multiple stocks at one place. These programs help baskets to be a part of trading program strategies that is commonly used by the various entities such as Exchange traded funds, hedge funds, mutual funds. Entities used these strategies to allocate their portfolio more effectively and quickly.