Market Movers — June 12, 2026
The 100 most actively traded US stocks on June 12, 2026, ranked by volume — 80 up, 19 down. Here are the day's biggest moves and the headlines driving them.
The market take
The market's breadth (80 up, 19 down) reflects a broad risk-on tone, but today's biggest movers cluster around two distinct narratives. The space sector surged on SpaceX's historic IPO pricing, lifting Intuitive Machines, Redwire, and AST SpaceMobile by 11–15%. Memory and semiconductor stocks followed suit, with Micron and Marvell jumping over 11% on hopes of geopolitical easing (an Iran peace deal backdrop) and accelerating AI infrastructure demand. Marvell's CFO appointment signals confidence in that growth thesis, while STMicroelectronics' expanded AWS partnership underscores chipmakers' pivot toward AI-optimized offerings.
Elsewhere, Coupang staged its best day since late 2022 after drawing a milder-than-feared fine for a data breach, a reminder that regulatory relief can move legacy e-commerce names sharply. Lucid ticked up 10% despite broader EV pessimism (Rivian faced headwinds), while QXO—a former XPO spinoff—and IREN's Dell Blackwell contract agreement rounded out gainers. The thread connecting most movers is secular tailwind: space commercialization, AI infrastructure buildout, and outsized capex cycles. Today reads as cyclical upside on macro relief, not fundamental repricing of individual stories.
Analyst commentary generated from the day's data and headlines — not investment advice.
Biggest moves today
- LUNR (Intuitive Machines, Inc.) ▲ +15.47% at $30.64 on 21.8M shares — SpaceX Will Destroy Other Stocks. These Could Be the Biggest Losers. (Barrons.com)
- RDW (Redwire Corporation) ▲ +14.93% at $17.09 on 67.8M shares — ASTS, RKLB, RDW, SATS Jump As SpaceX Prices Historic IPO — Cloudflare CEO Weighs In On 'Perfect' 20% Pop Prediction (Stocktwits)
- CPNG (Coupang, Inc.) ▲ +14.09% at $17.25 on 67.8M shares — CPNG Stock Surges In Best Day Since Late 2022 As Coupang Data Breach Fine Lands Milder Than Expected (Stocktwits)
- ASTS (AST SpaceMobile, Inc.) ▲ +11.73% at $97.56 on 23.2M shares — ASTS, RKLB, RDW, SATS Jump As SpaceX Prices Historic IPO — Cloudflare CEO Weighs In On 'Perfect' 20% Pop Prediction (Stocktwits)
- MU (Micron Technology, Inc.) ▲ +11.66% at $995.87 on 56.3M shares — MU, STX, WDC, DRAM: Memory Stocks Rally Amid Hopes Of Iran Peace Deal, SNDK Hits Fresh High (Stocktwits)
- MRVL (Marvell Technology, Inc.) ▲ +11.13% at $280.71 on 56.6M shares — Marvell Names Dan Durn CFO As AI Infrastructure Growth Meets Rich Valuation (Simply Wall St.)
- STM (STMicroelectronics N.V.) ▲ +10.43% at $78.12 on 16.0M shares — STMicroelectronics Extends AWS Tie Up As It Pushes Into AI Factories (Simply Wall St.)
- QXO (QXO, Inc.) ▲ +10.09% at $16.58 on 19.0M shares — Is QXO, Inc. (QXO) One of the Best Long Term Stocks to Buy Under $20? (Insider Monkey)
- IREN (IREN LIMITED) ▲ +10.07% at $56.71 on 46.5M shares — IREN Limited (IREN) Signs $1.6B Agreement With Dell (DELL) for Blackwell AI Systems (Insider Monkey)
- LCID (Lucid Group, Inc.) ▲ +10.00% at $5.17 on 17.2M shares — Rivian's Big Day Out, Wall Street's Big Thumbs Down (Trefis)
Most active by volume
| # | Ticker | Price | Change | Volume |
|---|---|---|---|---|
| 1 | SMCI | $31.97 | +9.22% | 243.4M |
| 2 | INTC | $116.96 | +9.27% | 184.3M |
| 3 | AAL | $14.65 | +9.17% | 153.9M |
| 4 | NVDA | $204.87 | +2.22% | 154.0M |
| 5 | NOK | $14.09 | +5.15% | 92.8M |
| 6 | CPNG | $17.25 | +14.09% | 67.8M |
| 7 | SOFI | $16.67 | +5.04% | 66.7M |
| 8 | RDW | $17.09 | +14.93% | 67.8M |
| 9 | LYG | $5.42 | +5.04% | 62.7M |
| 10 | ORCL | $184.10 | -8.53% | 63.2M |
| 11 | GRAB | $3.35 | +2.45% | 62.4M |
| 12 | MU | $995.87 | +11.66% | 56.3M |
| 13 | MRVL | $280.71 | +11.13% | 56.6M |
| 14 | KEEL | $5.52 | +5.14% | 48.2M |
| 15 | PATH | $10.65 | -0.93% | 45.2M |
| 16 | PLUG | $2.83 | -1.05% | 45.6M |
| 17 | IREN | $56.71 | +10.07% | 46.5M |
| 18 | TE | $8.47 | +9.57% | 41.5M |
| 19 | ONDS | $9.83 | +5.59% | 43.6M |
| 20 | NU | $12.09 | +4.04% | 49.6M |
| 21 | ACHR | $5.30 | +4.95% | 40.4M |
| 22 | TSLA | $399.15 | +4.60% | 44.4M |
| 23 | RGTI | $20.63 | +6.09% | 44.6M |
| 24 | F | $14.71 | +2.87% | 39.4M |
| 25 | PFE | $26.17 | +2.23% | 45.2M |
Market data from Yahoo Finance; insider data from SEC EDGAR Form 4. For research only — not investment advice. Verify on the official source before trading.
Put this to work
Screen live SEC Form 4 purchases with the insider cluster-buy screener, or open a company dashboard: