RYE, N.Y.–(BUSINESS WIRE)–Gabelli Funds, LLC is pleased to announce that the Gabelli U.S. Treasury Money Market Fund (NASDAQ: GABXX) has been assigned an ‘AAAmmf’ rating by Fitch Ratings on September 28, 2018. Fitch views the Fund’s low exposure to interest rate risk, holdings of liquid assets constant with maturity profile, consistent with Fitch’s high ‘AAAmmf’ rating criteria. Additionally, Fitch also views Gabelli Funds, LLC’s investment advisory capabilities, financial and resource commit