Shares of the ridesharing giant Uber experienced a significant decline on September 17, 2025, dropping by 5%. This downturn followed the announcement from its competitor, Lyft, in collaboration with Waymo, a self-driving technology subsidiary of Alphabet, regarding their plans to launch robotaxi services in Nashville next year. The optimism around this competitive move resulted in a surge of over 13% in Lyft’s shares.
Meanwhile, the cloud-based business software provider Workday saw its stock rise by 7.3% after Elliott Investment Management disclosed that it had acquired a stake exceeding $2 billion in the company. Elliott expressed confidence in Workday’s management team and its ongoing multi-year operational and capital improvement plans, which were communicated at a recent analyst day.
The S&P 500 concluded the day with a slight loss of approximately 0.1%, while the Nasdaq fell by 0.3%. Conversely, the Dow Jones Industrial Average edged up by 0.6%. The Federal Reserve’s announcement of a widely anticipated quarter-percentage-point reduction in benchmark interest rates contributed to the market fluctuations, along with indications of potential further cuts in the future.
Stocks in the home building sector faced pressure despite the Fed’s interest-rate cut, which raised expectations that declining mortgage rates could support the housing market. Recent data from the National Association of Home Builders/Wells Fargo Housing Market Index showed that home builder confidence in September is at its lowest level since December 2022. Builders FirstSource, a provider of residential construction materials, saw its shares drop by 5.6%, making it the worst performer within the S&P 500, while Mohawk Industries, specializing in flooring, fell by 4%.
In addition, shares of Insulet, known for its wearable insulin delivery devices, decreased by 3% after its CFO, Ana Maria Chadwick, announced her impending departure. Although the company projected optimistic revenue growth for the third quarter, attributed to strong customer additions, the leadership change created uncertainty.
Conversely, Hologic, a medical technology company focused on women’s health, experienced a notable increase in its shares, rising by 7.7%. This uptick followed reports of renewed discussions between investment firms Blackstone and TPG with Hologic’s board regarding a potential acquisition.
Fox Corp. shares climbed approximately 3%, reflecting a partial recovery after a decline the prior week. This rally was fueled by developments in the leadership of the company as Lachlan Murdoch consolidates control and explores strategies to engage younger audiences, including initiatives like the newly launched Fox One streaming service.
