Upstart, SoundHound AI, and Fastly Stocks Trade Down, What You Need To Know
Upstart (UPST), SoundHound AI (SOUN), and Fastly (FSLY) stocks fell 5.9%, 4.5%, and 4% respectively after a hotter-than-expected inflation report pushed Treasury yields higher. Upstart reported a slight improvement in its credit risk metric and increased loan origination volume in September. The company's stock is down 50.8% year-to-date.
How this was made
The 30-second read
Why it matters
CPI surprise drives a broad risk‑off, hitting growth‑oriented equities; the three tickers are highlighted as examples.
Market read
CPI‑driven yield rise creates immediate downside pressure on growth stocks, with Upstart, SoundHound AI, and Fastly as primary examples.
What to watch
Upstart’s recent loan‑origination volume growth and macro index improvement could cushion earnings despite higher rates.
Background
The article links the morning decline of three high‑growth stocks to a hotter‑than‑expected September CPI that lifted Treasury yields.
Ticker impact
Upstart fell 5.9% in morning trade after hotter‑than‑expected CPI pushed yields higher, pressuring high‑multiple growth stocks.
likely further downside as investors reprice risk‑adjusted earnings.
CPI surprise raised 10‑year yield 6 bps, a known headwind for Upstart’s high‑growth model.
SoundHound AI dropped 4.5% following the same CPI‑driven yield rise, hurting speculative AI plays.
potential further pullback if yields stay elevated.
Higher Treasury yields reduce risk appetite for AI‑focused companies like SoundHound.
Fastly slid 4% as the CPI surprise lifted yields, increasing discount rates for its cloud‑infrastructure business.
continued weakness likely until yield outlook eases.
Yield‑driven valuation headwinds affect high‑growth infrastructure providers such as Fastly.
Market effects
Higher yields pressure all high‑multiple growth and tech‑focused sectors, especially AI and fintech.
U.S. equities opened lower; risk‑off sentiment spreads to global growth stocks.
CPI surprise influences global bond markets, tightening financing conditions worldwide.
Counterpoint
If yields stabilize quickly, the sell‑off may be over‑cautious, offering entry points for growth stocks at discounted valuations.
Key entities
- government_agencyU.S. Bureau of Labor Statistics
Released the September CPI data.
- investment_firmFranklin Templeton Institute
Provided commentary on yield impact.


