Philadelphia Semiconductor Index Nears Bull Market as Analysts Question Quality of Order Backlogs
Nashnova编辑部
The SOX index closed up 2.49% Wednesday at 12,399, just 1.1% short of a technical bull market; but analysts warn the backlog numbers fueling the rally may overstate real demand, with share prices already running ahead of fundamentals.
What sparked this rally?
CoreWeave, Super Micro, and Lumentum all beat expectations on the same day, surging roughly 19%, 19%, and 13% respectively.
The common thread: AI capital spending remains strong. This means → the market read these results as proof that "AI profits are broadening, not just getting bigger."
Zacks chief market strategist Brian Mulberry put it directly: these earnings "help confirm the AI trade is widening in scope, not just in scale."
Did only AI names rally?
The gains stretched well beyond AI plays. In memory chips, SK Hynix ADRs jumped 9%, SanDisk rose about 6%, and Micron gained roughly 5%.
Optical-networking supplier Coherent climbed over 8%; AI chip leader Nvidia added 3%.
In plain terms = from memory to optical networking to GPUs, the entire semiconductor chain moved higher — no single segment dominated.
Why can't backlog numbers be taken at face value?
Super Micro reaffirmed June-quarter new orders topping $60 billion; CoreWeave raised its full-year capex plan from $31–35 billion to $35–39 billion.
But Portfolio Thinking founder Dan Kemp flagged CoreWeave's quarterly net interest expense of $640 million against adjusted operating profit of just $128 million. In plain terms = the company is spending far more than it earns.
He warned that some orders could be cancelled or delayed: "Investors may treat a large backlog as a positive signal, but should price it as a range of possible outcomes, not as realized revenue."
Is demand growth outpacing what the stock price already assumes?
Kemp posed the core question for long-term investors: is demand growing faster than the expectations baked into share prices? His answer: "The evidence is far less reassuring."
This means → even if the order numbers are real, returns compress if the stock has already priced them in.
He described CoreWeave's revenue guidance as "far more conservative" than its capex raise. This reflects a potential gap between when money goes out and when revenue comes back.
Which names do analysts actually favor?
Mulberry was explicit: not all chip stocks benefit equally, and fundamentals will matter more than price momentum.
His top three on fundamental strength: Nvidia, Broadcom, and Coherent.
Kemp sees downstream AI-infrastructure firms like CoreWeave and Super Micro — companies that connect and install chips — as a useful window into real chip demand, but a window is not the same as an investment target.
Content is for reference only, not financial advice.