Stock Market News for May 21, 2026
781 news published.
Semiconductors and AI infrastructure
AMD (AMD) said production is ramping for its next‑generation EPYC “Venice” server processors on TSMC’s 2nm node, a potential winner for AI datacenters that could pressure rivals on performance per watt; see the company release.
GlobalFoundries (GFS) launched a Quantum Technology Solutions initiative to scale U.S. quantum manufacturing, reflecting foundry diversification into specialized hardware supply chains. Details here.
Defense manufacturing and industrials
Lockheed Martin (LMT) is building a new facility to accelerate production of THAAD interceptors — a capacity expansion that strengthens defense supply chains and could lift program revenue visibility. Read the facility announcement.
Exelon (EXC) expanded its 2c2i portfolio with investments in Natrion and Blackcurrant AI, signaling utility players are moving into advanced materials and grid‑edge software to support decarbonization. Investment note.
Energy, mining and project finance
Perpetua Resources (PPTA) won a major financing boost as the Export‑Import Bank approved a $2.9 billion loan for the Stibnite Gold Project—an industrial financing decision with permitting and regional economic implications. Loan approval.
Matador Resources (MTDR) reported successful acquisitions in a federal lease sale, strengthening its upstream position and potentially supporting near‑term production in a favorable price environment. Acquisition report.
Healthcare and ASCO highlights
The ASCO conference continues to drive market moves with multiple high‑impact readouts and presentations that investors are parsing for commercial and pipeline implications.
- Eli Lilly (LLY) reported compelling Phase 3 results for triple‑agonist retatrutide, showing large weight losses—data that could reshape obesity therapeutics and long‑term growth expectations. Trial results.
- Regeneron (REGN) said Lynozyfic® (linvoseltamab) monotherapy produced deep and rapid responses in systemic AL amyloidosis—an efficacy signal with meaningful rare‑disease market implications. Data release.
- AbbVie (ABBV) announced new ASCO data highlighting breadth across its next‑generation oncology pipeline, reinforcing the company's R&D momentum and potential future launches. ASCO update.
- Black Diamond Therapeutics (BDTX) reported positive Phase 2 results for silevertinib in frontline NSCLC with EGFR non‑classical mutations—early efficacy that could attract partner or licensing interest. Trial note.
- Veracyte (VCYT) said OPTIMA trial results will be presented at ASCO, providing new evidence supporting Prosigna‑guided chemotherapy decisions in breast cancer—potentially shifting adjuvant treatment algorithms. Study release.
- Fennec Pharmaceuticals (FENC) announced new research supporting integration of PEDMARK® at ASCO, which could reinforce clinical positioning in pediatric oncology supportive care. Research note.
- Aktis Oncology (AKTS) released first‑in‑human imaging and dosimetry showing robust tumor uptake and limited normal tissue exposure for AKY‑2519—data that matter for therapeutic index and regulatory conversations. Imaging data.
- Rigel (RIGL) announced oral and poster presentations at ASCO and EHA2026, part of the broader conference flow that investors track for readthroughs. Presentation notice.
- Denali (DNLI) and Biogen provided an update on the Phase 2b LUMA study of BIIB122 (DNL151) in early‑stage Parkinson’s disease—an outcome that could recalibrate neurodegeneration program timelines. Study update.
Large biopharma deals and pipeline moves
Gilead/Kite (GILD) completed its acquisition of Tubulis, strengthening payload engineering capabilities for ADC programs and accelerating internal oncology development. Deal completion.
Real estate and large M&A
AvalonBay Communities (AVB) and Equity Residential (EQR) proposed a merger of equals to create a larger coastal apartment REIT, seeking scale across high‑demand markets—watch for regulatory and integration commentary. Merger announcement.
Corporate moves, divestitures and index changes
Conduent (CNDT) agreed to sell its public transit business to Modaxo for $164 million, a divestiture that narrows Conduent’s portfolio and improves near‑term cash. Sale terms.
Universal Technical Institute (UTI) and Peloton Interactive (PTON) are set to join the S&P SmallCap 600, a move that can boost passive flows and increase investor attention around their earnings and market positioning. Index notice.
Fintech, payments and retail earnings
Walmart (WMT) reported revenue growth of 7.3% (up 5.9% constant currency), keeping focus on category strength and e‑commerce trends that shape retail margin outlooks. Full results.
Earnings and market reads
- Deere (DE) reported Q2 net income of $1.773 billion, a key read on agricultural equipment cycles. Earnings note.
- Copart (CPRT) posted fiscal Q3 results—useful for tracking used‑vehicle flows and auction volumes. Quarter results.
- Ross Stores (ROST) beat guidance with robust sales and earnings, reinforcing the health of off‑price retail. Quarter results.
- Workday (WDAY) and Zoom (ZM) released fiscal updates investors will parse for subscription growth, product monetization and churn metrics. Workday results · Zoom results.
Corporate finance and activism
Pacira BioSciences (PCRX) received an activist letter from Doma Perpetual Capital Management urging shareholder engagement—activist pressure can accelerate reviews or strategic change. Letter.
Other notable items
ePlus (PLUS) announced its fourth quarter and fiscal 2026 earnings release date and conference call—worth noting for enterprise IT spend signals. Earnings notice.
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