Insurance stocks fell, but regional banks that announced a government investment rallied Monday, in a mixed day of trading for financial stocks. The NYSE Financial Sector index was lower by 5.9% and the KBW Bank index was down fractionally. Among individual stocks, notable movers were: American International Group ( AIG), down 20.6% to $1.35. Comerica ( CMA), up 5.7% to $25.80. First Horizon ( FHN), up 10.9% to $9.58. Hartford Financial Services Group ( HIG), down 18.6% to $19.77. Morgan Stanley ( MS), down 16.9% to $13.74. Mitsubishi UFJ Financial Group ( MTU), down 13.7% to $6.07. Regions Financial ( RF), up 11.3% to $9.95.