While the reduction in price target from $68 to $66 by Canaccord Genuity might seem negative, the maintenance of a Buy rating by analyst Edward Nash suggests a continued positive outlook on Morphic Holding's stock. The slight adjustment in price target could reflect minor adjustments in valuation models or market conditions, but the overall bullish stance remains intact. This could lead to a neutral short-term impact on the stock as investors weigh the lowered price target against the reaffirmed confidence in the company's prospects.