Align Technology (ALGN) saw its stock price surge 6.07% in Tuesday's trading session, making it one of the top performers in the S&P 500 index. The dental equipment maker's shares climbed despite a recent price target adjustment by a prominent analyst firm.

Evercore ISI recently adjusted its price target for Align Technology to $170 from $220, while maintaining an Outperform rating on the stock. This adjustment comes as part of a broader analyst consensus that gives ALGN an average rating of overweight with a mean price target of $179.08, according to FactSet data. Despite the lower price target, investors seem to be focusing on the maintained positive outlook for the company.

The stock's impressive performance occurred during a generally positive day for the market. As of midday, the S&P 500 index had gained 26.93 points, or 0.40%, reaching 6,732.05. Align Technology's strong showing placed it among the top five performers in the index, alongside other notable gainers such as Keysight Technologies, Builders FirstSource, Albemarle Corp, and MGM Resorts International. This upward movement suggests that investors remain confident in Align Technology's prospects, even in the face of adjusted analyst expectations.