On August 4, SanDisk Corp. rose 5.35% in regular trading, trading at $1,359.55/share, with turnover of $1.996 billion. The rally was driven by the joint release of the world's first High Bandwidth Flash (HBF) standard specification with SK Hynix, coupled with broad-based strength across the memory sector ahead of earnings.

HBF is positioned as a new storage tier between HBM and SSDs, supporting up to 512GB capacity and 0.4 to 3.0TB/s bandwidth using the UCIe open interconnect standard. Google and Tenstorrent have joined the alliance, with the specification made available to the entire industry through OCP. The milestone was achieved just six months after the alliance was formed.

Storage stocks rallied collectively, with Western Digital, SK Hynix, and Micron Technology all gaining over 4%. SanDisk is scheduled to report fiscal quarter results after market close on August 5, with consensus estimates calling for revenue of $83.94 billion and adjusted EPS of $34.45. Following a 47% cumulative decline in July, buy-the-dip flows have accelerated as some investors view prior selling as having overshot bearish fundamentals.

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