Why Is GUARDANT HEALTH INC (GH) Stock Moving Today?

Guardant Health Inc stock surged 9.61% to $166.99 in a sharp intraday rally driven by strong second-quarter 2026 results and raised full-year revenue guidance. The company reported 44% year-over-year revenue growth to $335 million and announced a new revenue target range of $1.34 billion to $1.36 billion for the year. The stock opened with a 6.1% gap up and reached an intraday high of $176.58 before settling near $166.99.

What Happened

Guardant Health posted a second-quarter revenue beat of $20.57 million and raised its full-year forecast, citing strong performance across oncology and screening, as well as recent FDA approvals. The company also announced a non-GAAP EPS of -$0.42, which missed estimates by $0.03. Despite the earnings miss, the revenue beat and guidance raise were enough to drive investor optimism. Mizuho and BTIG both raised their price targets for the stock, with Mizuho setting a new target of $200. The stock’s sharp move came after the SEC 8-K filing disclosed the preliminary results and financial statements.

What The Data Shows

The stock opened at $161.68 and traded as high as $176.58 within minutes of the market open. Volume in the session reached 0.6 million shares, which is 0.2 times the 3-month average. Over the past 8 sessions, the stock had moved down 0.2% from $152.63 to $152.35. Insider transactions over the last 90 days show 21 sales totaling $91.8 million, with the most recent sale reported on July 16. The stock currently trades at a market cap of $19.0 billion, with a trailing 12-month revenue growth of 39.6% and a net margin of -40.1%.

What To Watch

The stock’s next catalyst will be the full transcript and investor reactions to the July 30 earnings call. Analyst coverage and price target adjustments will be key to monitor in the coming days.

Why is GH stock moving today?

GUARDANT HEALTH INC (GH) is drawing unusual attention today. Our newswire has captured 1 story on GH across 1 source in the last 36 hours, with AI sentiment reading mixed (avg 50/100). The most recent driver: "Guardant Health Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)" (StockTitan).

Is GH a buy right now?

Top Tier Newswire does not give financial advice. Our AI sentiment across the last 36 hours of GH coverage reads 50/100 over 1 stories; treat it as a research signal and do your own diligence.

How fast does this page update?

The data sections refresh continuously as the newswire lands coverage; the written analysis is published once per trading day. Pro subscribers additionally get real-time push alerts, watchlists, and the full live terminal.