Fidelity’s cost advantage could be short-lived. Vanguard, the third-largest U.S. ETF sponsor, is never shy about lowering costs as its ETFs gather more assets and SSgA recently pared expenses on the nine sector SPDRs. [State Street’s Stealthy Fee Cut]

On a combined basis, Fidelity’s sector ETF suite is off to a solid start, indicating a combination of low fees, commission-free availability to Fidelity clients and the firm’s massive distribution network have proven advantageous.

The Fidelity MSCI Telecommunication Services Index ETF (NYSEArca: FCOM) is the smallest of the Fidelity ETFs with $17.7 million in assets.

Fidelity MSCI Health Care Index ETF

ETF Trends editorial team contributed to this post.