Market Trends Guidewire Software to join S&P MidCap 400; Arrowhead to join SmallCap 600By admin8996erT0allJanuary 23, 2025 Guidewire Software (NYSE:GWRE) will replace Arrowhead Pharmaceuticals (NASDAQ:ARWR) in the S&P MidCap 400, and Arrowhead Pharmaceuticals will replace Barnes Group…