TOKYO — Sumitomo Mitsui Financial Group Inc. is likely to raise about 800 billion yen ($8.7 billion) by issuing common shares, a person familiar with the matter said Tuesday, in a move aimed at improving its capital quality in anticipation of stricter global banking rules. SMFG is slated to hold a board meeting tomorrow, another person familiar with the situation said. The bank will make an announcement later this week, the people said. Shares in SMFG ended up 1.5% at 2,653 yen Tuesday.