The Arena Group Holdings, Inc. is a digital media company that builds, acquires, and scales brand, data, and IP assets via a proprietary publishing platform and monetization engine (including revenue-sharing with Expert Contributors) across owned brands and publisher partners; it trades on the NYSE American under the symbol AREN.

ATN International, Inc. is a communications-focused company providing telecommunications services, construction and related services, and participating in government capital programs across its international subsidiaries.

Artesian Resources Corporation is a Delaware holding company that owns and operates regulated water and wastewater utilities and related service businesses on the Delmarva Peninsula (Delaware, Maryland, Pennsylvania), with Artesian Water Company as its principal revenue driver.

Aemetis, Inc. is an international renewable fuels company that develops, owns and operates ethanol, biodiesel and dairy-based renewable natural gas facilities and is developing SAF/RD and carbon capture projects to produce low- and negative-carbon intensity fuels.

Ampco-Pittsburgh Corporation, founded in 1929, is a diversified industrial manufacturer operating two segments—Forged and Cast Engineered Products (FCEP) and Air and Liquid Processing (ALP)—that supplies forged and cast rolls, engineered forged products, heat-exchange coils, air-handling systems, and pumps to steel and aluminum producers, power generation, defense, and other industrial customers worldwide.

American Vanguard Corporation (AVD) is a global manufacturer and seller of crop protection and related chemical products (including pesticide and PFAS-related products) focused on product development, commercialization, regulatory compliance, and supply-chain management.

21Shares Dogecoin ETF (TDOG) is a passive exchange-traded fund that seeks to track the price of Dogecoin (DOGE) using the CF Dogecoin‑Dollar US Settlement Price Index, holding DOGE through multiple custodians and charging a 0.50% sponsor fee.

Clinical-stage biopharmaceutical company developing biomarker-guided therapies and companion diagnostics for neuropsychiatric disorders using EEG, cognitive, wearable, genetic data and machine learning to enable precision psychiatry.

Assertio Holdings is a U.S.-focused specialty pharmaceutical company anchored by ROLVEDON, marketing oncology-supportive and analgesic products through distributor channels and relying on contract manufacturing.

Not explicitly described in the provided text; financials indicate a research-and-development-focused company (likely life sciences/biotech) primarily funded by grants and equity financings, with significant R&D and G&A expenses and recurring net losses.

Ardent Health, Inc. operates a tech-enabled, consumer-focused platform of acute care hospitals and ambulatory services across multiple U.S. markets, primarily through joint ventures and a centralized Epic-based clinical and digital infrastructure.

Atara Biotherapeutics is a biopharmaceutical company developing off-the-shelf, allogeneic EBV‑sensitized T‑cell therapies (marketed as Ebvallo/tab-cel in Europe/UK/Switzerland) for EBV-driven cancers and autoimmune diseases, leveraging strategic partnerships for commercialization and manufacturing.