Core AI Holdings Inc CHAI Tests Key Support After Marginal Decline Valvoline Inc VVV Gains 108 as Shares Approach Midpoint of Trading Range RenaissanceRe RNR Holds Near Support After Modest Decline Reinsurance Sector in Focus Global Business Travel Group GBTG Holds Steady Near Key Support Levels ConnectOne Bancorp CNOB Gains Ground as Buyers Return Near Support