 SAN FRANCISCO--BUSINESS WIRE--JMP Group LLC NYSE: JMP, an investment banking and alternative asset management firm, announced today that Harvest Capital Credit Corporation, a business development company previously externally managed by JMP Group subsidiary HCAP Advisors, has been acquired by Portman Ridge Finance Corporation. Harvest Capital Credit Corporation had been listed on Nasdaq under the symbol HCAP. The aggregate value of the cash and stock received in exchange for JMP Groups i 