...Our ratings on Jefferies Finance LLC (JFIN) reflect its concentration in leveraged lending, and the market and credit risks of its originate-to-syndicate and investing strategies. This is partially offset by the implicit support of Jefferies Group. We view the company's underwriting appetite as aggressive given its unsyndicated origination commitments have been, at times, in excess of its capacity to fund them. However, we also view the company's relatively good record and its franchise as one of the largest U.S. syndicated loan originators as positive rating factors. Our issuer credit rating on JFIN is one notch higher than the stand-alone assessment because we believe Jefferies would support JFIN under some circumstances of stress....