Washington: After ripping through the first half of the year, memory stocks are struggling to regain momentum as growing concerns about the state of the artificial intelligence trade overshadow their strong fundamental backdrop. While Sandisk Corp, Micron Technology, Western Digital Corp and Seagate Technology Holdings remain among the top-performers in the S&P 500 Index this year, the shares are way off their highs.
Now they appear to be stuck, trading around where they were in May." The smart money is moving on," said Alec Young, chief investment strategist at MoneyFlows, a quant-research firm.
's historic 177% rally on Wednesday and the rebound in speculative assets like Bitcoin, which is on pace for its best week since November 2024. Shares of Sandisk and Western Digital fell Friday morning, while Micron and Seagate rose slightly.
This is a substantial change, since momentum investors have been feasting on the memory and storage stocks for a while. Massive demand for AI infrastructure dramatically raised prices of memory chips and other components, creating enormous revenue growth that sent the stocks flying.
Micron and Seagate more than tripled last year, while Western Digital nearly did as well. Sandisk, which began trading in February 2025, ended the year up more than 500% and then leaped another 143% in January.
BloombergMidway through 2026, every member of the group had more than tripled for the year, led by Sandisk's 858% surge from the start of January through June 30. It was the most "over-owned" large-cap tech stock relative to its weight in the S&P 500 in the second quarter, according to Morgan Stanley.
But that’s flipped this summer, with Sandisk and Western Digital dropping more than 30% from their peaks, and Seagate and Micron down roughly 20%. “Expectations have probably peaked, excitement has probably peaked,” Young said.
The change isn’t about fundamentals. Sandisk gave bullish long-term financial targets at last week’s investor day.
New Street Research upgraded Micron to buy last week and said its growth prospects and balance sheet strength correspond to a market capitalization of between $2 trillion and $3 trillion by the end of the decade — it’s a little over $1 trillion now. , Alphabet Inc.
and Meta Platforms Inc. remain committed to their capital expenditure plans, which are starting to pay off in better growth, a trend that could make the AI buildout more durable.




