IREN Jumps 6% but Then Gives Up Gains as Microsoft Accepts Horizon 1; TeraWulf Ticks Up, Cipher Digital Drops 5%

Yahoo Finance•Fri, Aug 21, 2026, 02:20 PM•2 min read

Developing story — details emerging. Check the source link for the latest updates.

Source: [Yahoo Finance](https://finance.yahoo.com/markets/stocks/articles/iren-jumps-6-then-gives-142009462.html)

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