MARA Holdings Jumps 11% on $500 Million Buyback, Riot Platforms Climbs 2% on Jefferies Upgrade Despite Bitcoin’s Drop; Core Scientific Edges Higher
MARA Holdings (MARA) rose 11% to $7.34 after announcing a $500M share repurchase. Q3 earnings beat estimates, driven by Bitcoin holdings, but revenue missed. Riot Platforms (RIOT) climbed 2% to $17.96 following a Jefferies upgrade. Bitcoin (BTC) fell 2% to $73,335. Core Scientific (CORZ) gained 1.4% to $12.90. Companies are shifting focus to AI data centers.
How this was made

The 30-second read
Why it matters
The combined earnings beat, buyback, and lease upgrades create a short‑term bullish catalyst for the highlighted miners.
Market read
Earnings and capital‑return news provide immediate trading opportunities for miners shifting toward AI infrastructure.
What to watch
Potential regulatory scrutiny on Bitcoin‑backed loans and the timing risk of lease closures.
Background
The article covers Q3 2026 earnings and capital‑return actions for leading Bitcoin miners, alongside analyst upgrades and lease deals that tie mining assets to AI data‑center demand.
Ticker impact
MARA announced a $500 million share repurchase authorization and posted Q3 2026 earnings with EPS $1.28 beating consensus, driving an 11% pre‑market jump.
likely upward pressure as the market prices in the buyback and debt reduction.
The buyback provides a concrete catalyst and the earnings beat, despite non‑cash Bitcoin gains, suggests further buying.
RIOT received a Jefferies upgrade to Buy with a new $28 price target and disclosed a Corsicana lease, lifting the stock 2% pre‑market.
upward pressure as analysts raise targets and the lease adds revenue visibility.
Analyst upgrade and higher target directly signal improved outlook, prompting buying interest.
Core Scientific reported Q3 2026 results with colocation revenue of $215.43 million, prompting a 1.4% rise.
slight upward bias as revenue growth beats expectations but no major catalyst.
Revenue growth is positive, but the move is modest and lacks a strong catalyst.
Market effects
Positive for crypto‑mining and AI‑data‑center lease sector, highlighting a shift toward power‑lease models.
U.S. mining stocks gain, supporting broader tech‑hardware exposure.
Signals broader investor appetite for mining firms transitioning to AI infrastructure.
Counterpoint
Buyback may mask underlying weakness in mining earnings; Bitcoin price weakness could pressure margins.
Key entities
- companyMARA Holdings
Bitcoin miner announcing $500 M buyback and Q3 earnings.
- companyRiot Platforms
Miner upgraded by Jefferies with new lease deal.
- companyCore Scientific
Miner reporting Q3 revenue growth from colocation services.


