Key Highlights

  • 4% was the approximate one-day decline in iShares Software ETF (NYSEARCA:IGV) on October 29, 2026, per one recap, extending the software sell-off after Earnings from two sector leaders.
  • 3.52% is the sector decline cited by a separate recap, so the iShares Software ETF (NYSEARCA:IGV) figure and the broader sector figure differ slightly by measure.
  • 6% was the after-hours drop already recorded on October 28 for CrowdStrike and Palo Alto, which means the sell-off began before the regular session on October 29.
  • 26.5% and 20.8% were the one-day falls of ServiceNow and Fortinet, the two largest S&P 500 losers on the day, and both fed the pressure on iShares Software ETF (NYSEARCA:IGV).

Software Sells Off Again

Software stocks slid again on October 29, 2026. One recap put the decline in iShares Software ETF (NYSEARCA:IGV) at about 4%, while another cited a sector drop of 3.52%. The two figures use different measures and neither is a company filing, so treat both as approximate. ServiceNow fell 26.5% and Fortinet 20.8%, the two biggest losers in the S&P 500. Oracle and Salesforce were also named as decliners without price figures. CrowdStrike and Palo Alto were already down about 6% after hours on October 28, which shows the weakness began a session earlier. Premarket on Friday, the same pressure was visible in the wider technology tape.

Why One Result Hits a Whole Group

Software ETFs hold many companies that sell recurring subscriptions, so they trade as one theme. When a large member reports weak guidance, investors reassess shared assumptions: customer budgets, pricing and the pace of adoption of new tools. The iShares Software ETF (NYSEARCA:IGV) does not choose among these names, so a sharp fall in its largest holdings pulls the whole fund lower even where a company reported well. The current worry, according to one recap, is that AI is compressing software budgets, as buyers redirect money toward AI infrastructure and tools. That is an interpretation, not a confirmed cause, but it explains why peers sold off alongside the two companies that reported.

Risks and What to Watch

The risk for iShares Software ETF (NYSEARCA:IGV) is that further earnings from software companies confirm slower growth, which could keep multiples under pressure. A concentrated fund also rises or falls with its biggest members, so single-stock events matter a great deal. Oracle, Salesforce and Palo Alto were named without verified price moves, so we cite none. The broader market was also weak: Nasdaq-100 futures were about 2.5% lower on Friday morning and the technology sector ETF XLK was down 3.22% in premarket, while consumer staples rose. Watch the 9:30 a.m. ET open, the next software earnings reports, and whether buyers return after two heavy sessions. We give no forecast.

Where Things Stand

iShares Software ETF (NYSEARCA:IGV) fell about 4% because weak reactions to ServiceNow and Fortinet results spread across a group already worried about AI reducing software budgets. The sector figure of 3.52% from another recap is consistent with a broad decline. The evidence is thin on exact figures, since both figures come from one recap each, but the direction is verified. The next catalyst is Friday's regular session, when the market tests whether the sell-off continues, and further earnings that will either confirm or challenge the budget-compression thesis.