Palo Alto-based kaChing, an online marketplace for financial information and investors, said today that it has raised $7.5M in its first institutional round. The round was led by DAG Ventures. The company said that the funding will go towards growth and infrastructure expansion. kaChing operates a service which allows individual investors to find other investors to emulate, ranking those investors by their returns. kaChinga said it is aiming at providing a "compelling alternative" to mutual funds.