Key Highlights

● Bandwidth plunged Friday with a software and communications-platform selloff and no company-specific news.

● Shares remain sharply higher for the year but sit far below the July high.

● A 45-stock software basket saw 41 names fall, erasing roughly $130 billion in value.

● IBM and SAP report Oct 21; Twilio, a direct peer, follows Oct 29.

A sharp sector-driven drop

Bandwidth (NASDAQ:BAND), which provides cloud-based voice, messaging and emergency-calling services that businesses build into their software, plunged on Friday. Market commentary said the shares moved with the sector and cited no company-specific news. The Russell 2000 company was grouped with Snowflake (NYSE:SNOW), Atlassian (NASDAQ:TEAM), Five9 (NASDAQ:FIVN) and Palo Alto Networks (NASDAQ:PANW), all of which traded down.

The drop added to a pullback from the summer. Bandwidth remains sharply higher for the year, but it now sits far below its July 2026 high of $78.44, according to market data. That combination of a large gain followed by a steep retreat has left the shares prone to big swings.

Bandwidth was also among the hardest-hit stocks in Friday's selloff in small and mid-cap software, cloud and AI-infrastructure names, alongside DigitalOcean (NYSE:DOCN), Fastly (NYSE:FSLY), Twilio (NYSE:TWLO) and CoreWeave (NASDAQ:CRWV).

Rates and AI financing

Market commentary pointed to rates as part of the story. A Franklin Templeton Institute investment strategist said that "pressure across the long end of the curve acts as a valuation headwind for risk assets," as quoted in coverage of Snowflake and Bandwidth. The 10-year Treasury yield ended near 5.1, per market data, after topping 5.30 earlier in October, its highest level since 2002.

The broader shift centered on artificial intelligence. Investors moved from asking what AI can do to how it will be financed, according to market commentary. In a 45-stock software basket, 41 fell, erasing roughly $130 billion in value. Twilio, a close peer in communications software, tumbled after reversing early gains, which one report attributed to profit-taking after its S&P 500 inclusion and valuation concerns.

A BofA Securities senior software analyst pushed back on the selling in the AI space, saying, "First of all, this is more sentiment driven. This is not about fundamentals."

Small caps give up early gains

The Russell 2000 had opened higher before reversing to fall 45.90 points to about 2,721, according to market data; another report put the close at 2,719.57. For the week, the index lost about 85.6 points.

The Nasdaq Composite dropped 572.99 points to 26,140.03, its worst week since June, while the S&P 500 lost 84.62 points to 7,659.44 and the Dow Jones Industrial Average slipped 175.28 points to 52,002.41. Technology was the weakest sector, while energy led gains as Brent crude settled at $109.86 a barrel. The Cboe Volatility Index rose 3.53 points to 19.99, after reaching 22.31 intraday, its highest since June 11.

Bandwidth Awaits IBM, SAP and Twilio

The Federal Reserve's next rate decision comes on Oct 28, with Chair Kevin Warsh saying at an IMF gathering in Bangkok, "I don't prejudge meetings." The personal consumption expenditures price index and the first estimate of third-quarter GDP follow on Oct 29, and the path of long-term yields remains a key influence on growth stocks.

Software investors will watch next week's earnings for clues on demand and spending. IBM (NYSE:IBM) and SAP (NYSE:SAP) report after the close on Wednesday, Oct 21, and Twilio, a direct comparison for Bandwidth, reports on Oct 29. Bandwidth sits among the smaller software names that tend to follow the larger platforms' results.