A delay in the production ramp-up of Nvidia's next-generation Blackwell chips until the fourth quarter was not a big concern, analysts said, with the company seeing strong demand for its current-generation Hopper chips. However, some analysts were worried about rising regulatory scrutiny after Nvidia disclosed requests for information from US and South Korean regulators, adding to inquiries from the EU, UK and China previously. "After the DOJ win over Google, large-cap tech has got to be more cognizant of regulatory intervention ... historically, the threat was a little bit toothless," Barringer said. "But now that they've got this win over Google, investors have to pay a bit more attention." The lackluster response to Nvidia's earnings report could help set the tone for market sentiment heading in to what is historically a volatile time of the year. The S&P 500 has fallen in September by an average of 0.8 per cent since World War Two, the worst performance of any month, according to CFRA data.