While the article directly mentions Microsoft as a backer of OpenAI, the impact on Microsoft's stock is likely to be minimal in the short term. The governance changes at OpenAI and the stability provided by Altman's leadership could be seen as positive, but the direct financial implications for Microsoft are not clear from the article. The focus on future AI research and governance may be of interest to investors, but the lack of specific financial data or strategic changes at Microsoft makes the impact neutral.