Direxion Daily MU Bull 2X Shares (MUU), a leveraged exchange-traded fund tracking Micron Technology, surged 5.09% in after-hours trading on Friday.
The after-hours gain followed a significant decline during the regular trading session, with the ETF falling 11.17% as memory chip stocks faced broad selling pressure. The turnaround in after-hours trading appears linked to positive developments for Micron Technology, the underlying stock that MUU tracks with 2x leverage.
NVIDIA CEO Jensen Huang confirmed that Micron Technology, along with Samsung Electronics and SK Hynix, has been certified to supply HBM4 high-bandwidth memory chips for NVIDIA's next-generation Vera Rubin AI platform. All three suppliers have passed qualification and entered mass production to meet demand for the advanced memory technology, which offers doubled interface width and increased data transfer speeds compared to previous generations.
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