01:52 PM EDT, 08/12/2026 (MT Newswires) -- Perma-Fix Environmental Services ( PESI ) said Wednesday it has been awarded a master indefinite delivery/indefinite quantity subcontract by Hanford Tank Waste Operations & Closure for the treatment and disposal of pretreated liquid mixed low-level waste from the US Department of Energy's Hanford Site.

Shares jumped nearly 16%, with intraday trading volume rising to more than 1.2 million from the stock's daily average of about 405,000.

Nebius ( NBIS ) reported stronger-than-expected Q2 revenue on Wednesday as robust demand for AI capacity drove more than 500% year-over-year growth in the Dutch company's cloud business.

Shares surged 29% as intraday trading volume climbed to over 42.4 million from a daily average of roughly 20.2 million.

CoreWeave ( CRWV ) reported a Q2 beat and raised guidance, with inference demand driving upside despite higher near-term capital expenditures, Oppenheimer said in a note Wednesday.

Shares soared 19% amid a surge in intraday trading volume to over 67.6 million from a daily average of about 28.4 million.

Price: 20.21, Change: +2.76, Percent Change: +15.82