During the pre-market session on Tuesday (July 21), the data center sector rallied broadly, with mainstream stocks posting significant gains. As of 6:45 AM ET (6:45 PM Beijing time), multiple stocks in the sector showed active trading in pre-market hours, indicating notable capital inflows.

In terms of specific stocks, IREN.US stood out most prominently, trading at $41.47 in pre-market, up $1.27 from the previous close of $40.20, marking a gain of 3.16%. Considering its intraday swing from the regular session low of $36.31 to the pre-market high of $42.50, its volatility has been extremely sharp. Following closely is HUT.US, trading at $104.57 pre-market, up $3.64 from the previous close of $100.93, representing a gain of 3.61%. NBIS.US traded at $194.00 pre-market, up $11.38 from the previous close of $182.62, posting a substantial gain of 6.23%, approaching the 6% mark. CRWV.US traded at $75.83 pre-market, up $2.77 from the previous close of $73.06, with a gain of 3.79%, also exceeding the 3% threshold for significant movement.

Additionally, other stocks in the sector also showed follow-through gains. ORCL.US edged up 1.09% to $122.70 in pre-market trading. Derivative stocks NEBX.US and ORCX.US rose 12.57% and 2.11% respectively, trading at $25.80 and $15.96. Overall, driven by positive industry expectations, sentiment in the data center sector was buoyant during the pre-market session, with significantly heightened investor attention.