CNTB is trading 5.6% up at $2.19 in pre-market today. * The surge follows Piper Sandler initiating coverage on Connect Biopharma Holdings Ltd with an Overweight rating and a $7.00 price target, citing its differentiated mechanism and a catalyst-rich setup. * This comes amidst a multi-day rebound for the stock and broader bullish analyst sentiment, including a recent reiteration of a 'Buy' rating from HC Wainwright & Co.