May 28 : AI infrastructure firm Nebius Group's shares climbed over 10 per cent in premarket trading on Thursday, after Situational Awareness, a fund run by a former OpenAI employee named Leopold Aschenbrenner, became its biggest shareholder.The gains put the stock on track to open at its highest in over two w

Nebius Group shares are rising in extended trading Wednesday after Situational Awareness reported a 5.6% stake in the neocloud company.

Dutch cloud provider Nebius popped in premarket trading after an ex-OpenAI employee's fund took a sizeable stake in the firm,