US Stock Market Move | Meta (META.US) rose 4% after the release of Muse Spark 1.3, significantly improving programming and agent performance.

date
21:54 03/09/2026
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GMT Eight
On Thursday, Meta (META.US) rose 4%, closing at $617.08.
On Thursday, Meta (META.US) rose by 4%, closing at $617.08. In terms of news, on September 2, Meta released Muse Spark 1.3, claiming it achieved the companys largest model performance leap to date in programming and agent tasks; the model was made available to developers that day through Muse Code and the Meta Model API, with plans to roll it out to Instagram, Facebook, and Meta AI users. In the DeepSWE v1.1 test, it scored 75.4, with the number of tool calls reduced by approximately 20% and token consumption decreased by about 25%.