Microsoft Shares on Course for New Record High as Rally Gains Steam

  • Stock has risen 45% this year, adding $800.6 billion in value
  • Software maker has invested more than $10 billion in OpenAI

Microsoft offices in Issy-Les-Moulineaux, France. 

Photographer: Gerard Julien/AFP/Getty Images
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Microsoft Corp. ended at a record-high close on Thursday, becoming the third mega-cap technology firm after Nvidia Corp. and Apple Inc. to scale new heights this year as the software giant races to introduce generative artificial intelligence features into its suite of products and services.

The Windows software maker rose 3.2% to $348.10, taking out a closing high that had held since November 19, 2021. The gain extends Microsoft’s year-to-date rally to 45%, a move that has added about $800.6 billion to its market value.