Microsoft's strongest market session since 2008

Microsoft shares surged on Thursday, July 31, in what Fortune described as the company's best trading day since 2008. The rally followed signals that Microsoft's heavy investment in artificial intelligence is beginning to translate into profits, according to Fortune's account of the session. ABC News also reported on Microsoft stock soaring the same day, characterizing the move as a notable shift in market sentiment around the company.
Wall Street rebound and chip stocks
The Microsoft gain led a broader rebound on Wall Street on Thursday, with computer-chip companies also regaining ground, Fortune reported. The session also featured the Jersey Mike's IPO on the New York Stock Exchange, which brought actors Danny DeVito and Eli Manning to the exchange floor. Fortune framed the day's moves as evidence that the AI trade is not dead but is becoming more selective about which companies are delivering returns on spending.
SharePoint zero-days under active exploitation
CISA updated its security advisories on July 31 to warn of active exploitation of multiple vulnerabilities in on-premises Microsoft SharePoint Server, according to Notebookcheck. Threat actors are targeting on-premises SharePoint instances and stealing IIS machine keys, a technique that allows attackers to maintain access even after organizations apply patches. The advisory identifies which CVEs are confirmed as exploited and outlines response steps for affected organizations.
What remains uncertain
The full ABC News reporting on Microsoft's stock move was not fully available in the source set, and details of the underlying earnings or operational signals cited as drivers of the rally were not fully captured in the available Fortune excerpt. CISA's advisory was confirmed via secondary tech-news coverage rather than direct reproduction of the agency notice. Investors and IT operators will be watching for Microsoft's next earnings report and for further CISA guidance on the SharePoint vulnerabilities in the days ahead.
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