DGX - Latest News

Quest Diagnostics Incorporated (DGX), operates in Healthcare / Medical - Diagnostics & Research, trades on NYSE.

Market capitalization stands near $23.23B. Trailing twelve-month P/E ratio is 22.55. Beta to the broader market is 0.59.

The article list below shows the most recent DGX headlines from major financial news vendors. For options traders, the most actionable items are earnings releases, analyst rating changes, M&A activity, and regulatory filings - each can drive a meaningful repricing of implied volatility and shift dealer hedging flow. Pair the news context with the implied-volatility skew and gamma exposure views to see whether the options market has already priced in the headline.

Recent DGX Headlines

DGX's Stock Rises on Haystack MRD Test's Approval From NYSDOH

zacks.com - Jun 25, 2026

Quest Diagnostics gains NYSDOH approval for Haystack MRD, expanding the cancer test to all 50 states and strengthening its oncology reach.

Quest Diagnostics Inc (DGX) Stock Up 3.0% but GF Value Says Overvalued -- GF Score: 83/100

gurufocus.com - Jun 24, 2026

On June 24, 2026, Quest Diagnostics Inc (DGX) shares rose 3. 0% today, currently trading at $203.

Quest Diagnostics Receives New York State Approval for Haystack MRD®, Broadening Patient Access to ctDNA Minimal Residual Disease Testing

prnewswire.com - Jun 24, 2026

Achieving the rigorous laboratory standard broadens access for providers and patients in New York; applies to use of Haystack MRD for patients with so

Is it Apt to Hold Quest Diagnostics Stock in Your Portfolio Now?

zacks.com - Jun 23, 2026

DGX gains from Advanced Diagnostics, physician and consumer testing growth, plus AI-driven efficiency efforts, even as debt and policy risks linger.

Here's Why Quest Diagnostics (DGX) is a Strong Momentum Stock

zacks.com - Jun 19, 2026

Wondering how to pick strong, market-beating stocks for your investment portfolio? Look no further than the Zacks Style Scores.

How News Affects DGX Options Pricing

Headlines and scheduled events drive implied volatility in two distinct ways. Pre-event, IV typically inflates as uncertainty about the outcome rises; this is the implied-volatility expansion that creates the long-vol setup. Post-event, IV typically contracts sharply as uncertainty resolves; this is IV crush, which makes premium-selling structures profitable when they survive the underlying move. The size of the crush depends on how stretched pre-event IV is relative to the realized move. Track DGX's implied vs realized volatility over the news cycle to size pre-event vs post-event positioning. For ticker-level dealer positioning context, the gamma exposure view shows whether dealers are positioned to amplify or dampen post-news moves.

Frequently asked DGX news questions

What is the latest DGX news headline?

The most recent DGX headline (Jun 25, 2026) is "DGX's Stock Rises on Haystack MRD Test's Approval From NYSDOH". The five most recent stories with summaries and publication times are listed above, sourced from major financial news vendors.

How fresh is the DGX news on this page?

News rows refresh roughly every 30 minutes during the trading day. The five most recent headlines are listed in publication-time order. Press releases from the company itself typically appear within minutes of the wire release; third-party reporting may lag by 30-60 minutes depending on the source.

What DGX news moves options pricing?

Three categories move single-name IV most aggressively: scheduled earnings releases (priced into pre-event IV, crushed post-event), unscheduled M&A or strategic announcements (rapid IV expansion, slower decay), and regulatory or legal events (drug-trial readouts, antitrust filings, FDA approvals). Routine news flow (analyst commentary, sector rotation) typically does not move IV meaningfully unless it triggers a cluster of rating changes.

How can I track unusual DGX options activity related to news?

Unusual options activity often precedes news by hours to days; the canonical signals are volume substantially above the trailing average concentrated in a small number of strikes, atypical put/call skew, and aggressive execution (at-the-ask sweeps or block prints). Cross-reference the per-ticker gamma-exposure and volume-history pages with the news flow above to triangulate informed vs uninformed flow.