TeraWulf, CoreWeave, and Nebius are having a big day. The stocks still mostly mining bitcoin are not.
TeraWulf, Nebius, IREN, CoreWeave, and five other AI infrastructure stocks are surging together Wednesday, while HIVE Digital and CleanSpark, the two names still mostly mining bitcoin, are red. The split isn't random.
TeraWulf (WULF) spiked 18%, then gave most of it back: sell the news, buy the rumor
TeraWulf (WULF) opened up 14% and spiked as high as $25.04 on a $19 billion Anthropic lease, then gave back nearly 70% of that gain by early afternoon. Here is how the short interest and the deal math explain the fade.
TeraWulf (WULF) stock jumps 18% on a 20-year, $19 billion Anthropic data center lease
TeraWulf signed a 20-year lease with Anthropic worth about $19 billion in contracted revenue at its Kentucky data center campus, and sold its Abernathy, Texas stake to a Fluidstack-led group for about $530 million the same day. WULF stock jumped as much as 17%, reversing a hard slide, right after Anthropic's reported $15 billion Australia data center plan.
Meta's cloud news is hammering the neoclouds: CoreWeave and Nebius drop about 13% (July 1, 2026)
The same Meta cloud announcement that sent META up about 10% on July 1, 2026 is hammering the neoclouds. CoreWeave (CRWV) and Nebius (NBIS) each fell about 13% as investors saw a giant new rival for renting out AI computing power.
Smart money is piling into AI neoclouds: Nebius NBIS, SharonAI SHAZ and Cerebras CBRS
Several top funds disclosed 5%+ stakes in AI compute names this spring: Leopold's Situational Awareness in Nebius (NBIS) and SharonAI (SHAZ), Tiger Global in Cerebras (CBRS), and Lone Pine in miners turned AI data centers TeraWulf (WULF) and Hut 8 (HUT).
Bitcoin is sliding, and the AI data center miners are sliding with it (IREN, CORZ, CLSK)
A dozen former bitcoin miners now call themselves AI data center companies. With bitcoin down near $58,300 and sliding a second day, most fell with it, while the names furthest from crypto held up best.
Data-center and bitcoin-miner stocks (CRWV, HIVE) sold off at the open on June 29 after a pre-market pop
AI data-center, neo-cloud, and bitcoin-miner stocks ticked up pre-market on June 29, then sold off hard at the open. Most are down 3% to 10% from the open and now slowly recovering. Nebius (NBIS) was the exception.
HIVE Digital (HIVE): a green bitcoin miner pivoting to AI, and a Leopold Aschenbrenner pick
HIVE Digital (HIVE) is the cheap, green bitcoin miner betting on AI. A look at the BUZZ HPC pivot, the recent $300 million share program, the Leopold Aschenbrenner stake, and the full bull and bear case.
IREN bought the Warriors' jersey patch. Here's how it stacks up against WULF, CIFR and the other ex-miners
A few years ago IREN was a bitcoin miner. Now its badge is going on every Golden State Warriors jersey in a deal worth more than $50 million a year. Here is what IREN actually does, the Microsoft and Nvidia contracts behind the splash, and how it compares to ex-miners like WULF, CIFR, APLD and CLSK.