 Moodys Investors Service Moodys today assigned a Ba3 rating to INTL FCStone Inc.s INTL, Ba3 stable proposed 350 million senior secured notes due 2025. INTL plans to use the issuance proceeds to fund its 236 million acquisition of GAIN Capital Holdings, Inc. GAIN Capital and fund the repayment of GAIN Capitals 92 million convertible notes due 2022. 