Sunday, September 20, 2026

Castle Biosciences Stock Went Down By Over 13% So Far On Wednesday

Castle Biosciences Stock Went Down By Over 13% So Far On Wednesday

(VIANEWS) - Shares of Castle Biosciences (NASDAQ: CSTL) dropped by a staggering 13.44% to $17.03 at 14:24 EST on Wednesday, after two successive sessions in a row of losses. NASDAQ is rising 1.27% to $13,934.85, after two sequential sessions in a row of gains. This seems, so far, an all-around bullish trend trading session today.

Castle Biosciences's last close was $19.68, 45.48% under its 52-week high of $36.10.

About Castle Biosciences

Castle Biosciences, Inc., a commercial-stage diagnostics company, focuses to provide diagnostic and prognostic testing services for dermatological cancers. Its lead product is DecisionDx-Melanoma, a multi-gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma. The company also offers DecisionDx-UM test, a proprietary GEP test that predicts the risk of metastasis for patients with uveal melanoma; DecisionDx-SCC, a proprietary 40-gene expression profile test that uses an individual patient's tumor biology to predict individual risk of squamous cell carcinoma metastasis for patients with one or more risk factors; and DecisionDx DiffDx-Melanoma and myPath Melanoma, a proprietary 35-GEP test to diagnose suspicious pigmented lesions. It offers test services through physicians and their patients. The company was incorporated in 2007 and is headquartered in Friendswood, Texas.

Earnings Per Share

As for profitability, Castle Biosciences has a trailing twelve months EPS of $-2.71.

The company's return on equity, which measures the profitability of a business relative to shareholder's equity, for the twelve trailing months is negative -18.33%.

Moving Average

Castle Biosciences's worth is way below its 50-day moving average of $19.01 and way below its 200-day moving average of $22.60.

Earnings Before Interest, Taxes, Depreciation, and Amortization

Castle Biosciences's EBITDA is -13.64.

Volatility

Castle Biosciences's last week, last month's, and last quarter's current intraday variation average was 11.64%, 2.06%, and 5.59%.

Castle Biosciences's highest amplitude of average volatility was 14.79% (last week), 4.95% (last month), and 5.59% (last quarter).

Stock Price Classification

According to the stochastic oscillator, a useful indicator of overbought and oversold conditions, Castle Biosciences's stock is considered to be oversold (<=20).

More news about Castle Biosciences (CSTL).

ViaNews Editorial Team

Via News Editorial Team delivers comprehensive financial news coverage and market analysis from journalists around the world. Our team specializes in data journalism and in-depth reporting on stock markets, business developments, and economic trends.

What we know · the intelligence behind this page
Live from the substrate
What we're seeing
AI Boom Hits a Fork: Slowdown Calls Clash with Capex Confidence as Markets Get Nervous
Dario Amodei's repeated calls for a global slowdown in frontier AI development, echoed by Microsoft's new humanist AI code of conduct and FTC antitrust caution, are being publicly rejected by Nvidia and Meta leadership even as hyperscaler spending draws fresh skeptical scrutiny (Wachter's analysis, Burry-style overbuilding worries) and weak guidance from Adobe and a post-slowdown-comment selloff in GE Vernova signal investor jitters. Meanwhile wealth and security effects of the AI race keep compounding — Zhang Yiming's fortune surging on AI-driven ByteDance value, a Chinese hacking firm weaponizing AI against stolen government secrets, and low-quality AI-generated products (an AI sitcom, a spam-flooding agent platform) fueling backlash even as adoption races ahead.
Our read on the data ›
Signals we're tracking
EPKINLY Regulatory-Clinical Success Cascade
High probability of expanded label indications, additional combination approvals, and competitive positioning strength in follicular lymphoma market. Predicts positive commercial uptake and potential accelerated review for related indications.
Patterns we're watching ›
Where sources disagree
Berkshire Hathaway
Both facts report Berkshire Hathaway's cash position on 2026-01-01 with identical observation timestamps, but claim vastly different values: 380 billion USD vs 400 USD. These cannot both be true for the same entity at the same point in time. The magnitude of the discrepancy (a factor of ~10^9) rules out rounding, unit conversion, or methodological differences.
We flag conflicts openly ›
Recently verified
Checked against the original source
4,982
facts traced to their source — and we flag the ones that don't hold up.
101 entities tracked4,982 facts checked against source5,299 source documents archived
Query this data → isubstrate.com