Snap Inc (SNAP -1.62%) closed at $8.44, up 5.63%. Trading volume reached 186.9 million shares, more than three times its three-month average of 59.0 million.

U.S. markets strengthened, with the S&P 500 (^GSPC -0.16%) gaining 0.48% to 6,631.96 and the Nasdaq Composite (^IXIC -0.76%) rising 0.94% to 22,470.72.

Among social media peers, Meta Platforms Inc (META -0.90%) finished at $780.25, up 0.58%, while Reddit Inc (RDDT -3.33%) closed at $270.71, gaining 1.59%. Both moved higher, though their gains were more modest compared with Snap.

Today's advance followed the introduction of Snap OS 2.0, which brings a redesigned browser, home screen widgets, bookmarks, and WebXR support to Spectacles. The update highlights Snap's continued push to integrate AI-driven AR into everyday experiences, expanding on last year's release of its fourth-generation Spectacles and the debut of the original Snap OS.

Market data sourced from Google Finance and Yahoo! Finance on Thursday, Sept. 18, 2025.