ShawnLLS
10-17 11:40

Memory Crushed, AI Chips Rallied. Is Semiconductor Money Rotating Internally? The Answer Came Three Days Later

Written Saturday 17 Oct, SGT, using Friday's US closes.

First, check the date on the numbers

The figures in this topic are real, but they come from Tuesday, Oct 13. That day Nvidia closed up 0.97% at $228.52, AMD rose 1.90% to $605.53 and Intel gained 1.44% to $102.81. Micron fell 3.62% to $953.19, its fourth straight loss, after China's CXMT said it plans to launch a 4F2 DDR5 server memory module by year-end.

On that one session, it did look like rotation: money leaving memory and moving into compute.

Now look at what happened over the next three sessions.

The scoreboard: Tuesday close to Friday close

- Nvidia: $228.52 to $214.13, -6.30%

- Micron: $953.19 to $878.84, -7.80%

- Broadcom: $357.31 to $328.75, -7.99%

- SanDisk: $1,482.33 to $1,299.30, -12.35%

- Intel: $102.81 to $89.85, -12.61%

- AMD: $605.53 to $528.75, -12.68%

Tuesday's two "winners", AMD and Intel, fell further than Micron. Only Nvidia held up better than the memory group.

Friday removed any doubt. The Philadelphia Semiconductor Index fell 3.83%, and all 30 of its members closed lower. AMD dropped 5.95%, Intel 5.79%, Micron 5.63% and Broadcom 4.52%. The Nasdaq lost 2.14% on the day and 4.48% for the week, its worst week since June. The VIX jumped 22.5% to 20.16.

So the short answer to the topic: on Tuesday, yes. By Friday, no. What we got was a one-day rotation followed by sector-

Memory crushed, AI chips rally—is semiconductors rotating internally?
While memory stocks slide, AI compute chips surge: Nvidia rose 0.97% to $228.52, AMD up 1.90% to $605.53, Intel up 1.44%. Capital rotates within semiconductors from memory to logic chips; views on chip stocks diverge. Bulls say compute demand is not tied to memory pricing and logic chip order visibility is steadier; Bears say if AI capex guidance disappoints earnings season, logic chips won't escape. What would make this rotation out of memory last beyond this week?
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Comments

  • ShawnLLS
    10-17 11:46
    ShawnLLS
    sector wide de-risking.

    Why logic chips couldn't escape

    The bull argument is that compute demand isn't tied to memory pricing and that logic chip orders are more visible. That's true at the product level. It misses one thing: memory and logic chips are sold to the same customers out of the same budget.

    Every HBM stack Micron and SK Hynix sell sits next to a GPU from Nvidia or AMD, inside a data center paid for by hyperscaler capex. When the market starts asking whether that spending can be financed, it doesn't separate the two. It sells both.

    Three things put that funding question on the table this week:

    1. Rates. September CPI came in at 3.7% against 3.6% expected, and PPI jumped 1.3% against 0.5% expected. CME pricing put December hike odds at 74.3%, up from 50.2% a month earlier. The 10-year yield sits at 5.09%. Higher rates make data centers more expensive to build.

    2. AI credit. CoreWeave fell 11.91% on Friday to $61.39 and 25.21% for the week. Its 2032 notes yield about 14%

  • ShawnLLS
    10-17 11:55
    ShawnLLS
    sector-wide de-risking.

    Why logic chips couldn't escape

    The bull argument is that compute demand isn't tied to memory pricing and that logic chip orders are more visible. That's true at the product level. It misses one thing: memory and logic chips are sold to the same customers out of the same budget.

    Every HBM stack Micron and SK Hynix sell sits next to a GPU from Nvidia or AMD, inside a data center paid for by hyperscaler capex. When the market starts asking whether that spending can be financed, it doesn't separate the two. It sells both.

    Three things put that funding question on the table this week:

    1. Rates. September CPI came in at 3.7% against 3.6% expected, and PPI jumped 1.3% against 0.5% expected. CME pricing put December hike odds at 74.3%, up from 50.2% a month earlier. The 10-year yield sits at 5.09%. Higher rates make data centers more expensive to build.

    2. AI credit. CoreWeave fell 11.91% on Friday to $61.39 and 25.21% for the week. Its 2032 notes yield about 14%

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