The number of investors using of ETFs, or exchange-traded funds, is surging, and that is music to the ears of WisdomTree Investments (NASDAQ:WETF). In this segment of The Motley Fool's financials-focused show, Where the Money Is, banking analyst David Hanson is joined by Stock Advisor analyst Brendan Mathews to discuss the company massive market opportunity and if a bigger company like BlackRock (NYSE:BLK) may buy up the smaller player.

Brendan Mathews owns shares of WisdomTree Investments. David Hanson has no position in any stocks mentioned. The Motley Fool recommends BlackRock and WisdomTree Investments. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.