US stocks closed higher Tuesday as the S&P 500 (^GSPC) advanced 0.23%, the Nasdaq Composite (^IXIC) gained 0.36%, and the Dow Jones Industrial Average (^DJI) ticked up above the flatline.
The S&P 500 flirted with a bull market as regional banks dominated the list of best-performing stocks in the index, driven by Zions Bancorporation (ZION) and Comerica Incorporated (CMA),…