The adjustment in price target by Evercore ISI Group, while maintaining an Outperform rating, suggests a slight recalibration of expectations for AutoZone's stock performance. The reduction in price target might reflect minor concerns or adjustments in valuation models, but the continued Outperform rating indicates a positive outlook on the company's fundamentals and market position. This could lead to a neutral short-term impact on the stock as investors digest the implications of the adjusted price target against the backdrop of a positive rating.