Meta's stock surged 7.6% following the release of Muse Spark, its first major AI model in over a year, marking a strategic shift toward proprietary technology.

Meta Platforms shares climbed 7.6% on Wednesday after unveiling Muse Spark, previously code-named Avocado

Muse Spark represents Meta's first significant AI model release in more than a year

The new model represents a departure from Meta's previous strategy of releasing open-source AI models

Wall Street investors responded positively to the announcement, viewing it as a competitive move in the AI space