Jefferies Financial Group Inc. (NYSE:JEF) and Sumitomo Mitsui Financial Group Inc. (NYSE:SMFG), along with Sumitomo Mitsui Banking Corporation and SMBC Nikko Securities Inc., unveiled a sweeping expansion of their global strategic alliance on Friday. The agreement marks a new phase in the collaboration that began in 2021 and later extended across multiple regions and services. The latest move will deepen cooperation in capital markets, lending and sponsor coverage while expanding equity ties and credit su ...