$SLS

After-Close Movers: Quantum Computing and Rare Earths Surge While Crypto Miners Retreat

US equities showed mixed after-hours movement. Quantum computing and rare earth stocks rose, with SELLAS (SLS) up 15.37%, IQM (IQMX) up 14.77%, and USA Rare Earth (USAR) up 12.57%. Robinhood (HOOD) gained 13.70%. Crypto miners fell, with Hut 8 (HUT) down 8.79% and Cipher (CIFR) down 8.40%. Alibaba (BABA) dropped 8.57%, and Seabridge Gold (SA) fell 9.35%.

Original reporting
Published Aug 21, 2026, 8:25 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 21, 2026, 11:33 PM UTC. Informational, not investment advice.
How this was made
alphai summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
After-Close Movers: Quantum Computing and Rare Earths Surge While Crypto Miners Retreat — source image
Decision brief

The 30-second read

$SLSBullishLow
01

Why it matters

The mixed moves suggest a rotation from speculative crypto exposure toward tangible tech and resource plays.

02

Market read

Highlights short‑term sector momentum shifts in after‑hours trading.

03

What to watch

Liquidity constraints in after‑hours trading could exaggerate price moves.

Relevance 4/10Novelty 2/10Timing: after-hours

Background

Post‑market trading often amplifies sector narratives; this roundup captures the latest price swings.

Company-level read

Ticker impact

$SLSBullishMedium confidence
Context

SELLAS Life Sciences Group rose 15.37% in after-hours trading.

Expected impact

Potential continued upside in early pre-market.

Evidence & confidence

Large percentage move on limited volume may be temporary.

$IQMXBullishMedium confidence
Context

IQM Quantum Computers advanced 14.77% after the close.

Expected impact

May see further buying pressure in next session.

Evidence & confidence

Momentum driven by sector hype rather than new fundamentals.

$INFQBullishMedium confidence
Context

Infleqtion climbed 12.51% in after-hours trading.

Expected impact

Likely to hold gains into the regular session.

Evidence & confidence

Price action appears speculative.

$HOODBullishMedium confidence
Context

Robinhood Markets surged 13.70% after the close.

Expected impact

Potential continuation if volume supports.

Evidence & confidence

Move may be linked to sector momentum.

$USARBullishMedium confidence
Context

USA Rare Earth gained 12.57% in after-hours trading.

Expected impact

Could see further upside if demand outlook stays strong.

Evidence & confidence

Price jump driven by sector narrative.

$HUTBearishMedium confidence
Context

Hut 8 Corp fell 8.79% after the close.

Expected impact

Likely to face continued pressure.

Evidence & confidence

Downward move aligns with sector sentiment.

$CIFRBearishMedium confidence
Context

Cipher Digital dropped 8.40% in after-hours trading.

Expected impact

May see additional downside.

Evidence & confidence

Broad crypto miner sell‑off.

$BABABearishMedium confidence
Context

Alibaba Group slid 8.57% after the close.

Expected impact

Potential further declines pending earnings outlook.

Evidence & confidence

Sector weakness drives move.

Market effects

Quantum computing and rare earth sectors show short‑term strength, while crypto mining and gold‑related stocks face pressure.

US after‑hours market reflects sector rotation; no clear regional bias.

Highlights global interest in critical minerals and emerging tech versus crypto downturn.

Counterpoint

The sharp gains may be over‑extended; a pull‑back could present buying opportunities.

Key entities

  • Quantum Computing Sector

    Group of companies benefiting from AI and quantum research funding.

  • Crypto Mining Sector

    Companies facing headwinds from regulatory and market sentiment.

Related articles

$BABAHighAI 9/10

After Burry ditched Alibaba for JD, Alibaba proved his point

Michael Burry's Scion Asset Management sold its Alibaba (BABA) stake in Q1 2025, then reinvested in JD.com. Burry later moved entirely into JD.com, citing Alibaba's share issuance. Alibaba raised $10.2B via a Hong Kong share placement, discounting shares by 8.4%. Shares fell 8% post-announcement. Alibaba defends its AI spending, while Burry warns of dilution.

$BABAHighAI 8/10

Alibaba shares fell 8.4%. Then Joe Tsai and Eddie Wu went shopping

Alibaba's shares dropped 8.4% in Hong Kong trading, the steepest fall in over a year. Chairman Joe Tsai and CEO Eddie Wu bought a combined HK$120m (about $15.3m) of shares, according to filings. The company is raising $10.2bn through a share placement to invest in AI, with institutional demand reported as high. Alibaba's quarterly net profit fell 75%, while capital expenditure rose 75% to 67.7bn yuan, driven by AI and cloud infrastructure spending.

$BABAHighAI 8/10

How to Turn Your Phone Into a Personal Health Dashboard

Saudi Minister Abdullah Alswaha met with executives from Ubisoft, Sony, Riot Games, Electronic Arts, Thales, Pasqal, and Advanced Machine Intelligence to discuss AI, gaming, and quantum computing partnerships. Alibaba (BABA) shares fell 10.5% after a $10.2B share sale at an 8.4% discount to fund AI investments, attracting $28B in orders. Alibaba's AI spending is a key growth driver amid stagnating e-commerce.