Key Highlights

  • Alliant Energy (NASDAQ:LNT) raised its 2027 to 2030 Capital plan by 19 percent to USD 15.9 billion, citing 3.4 gigawatts of contracted data-center demand, as reported. American Electric Power was reported to have lifted its plan by 30 percent to USD 100 billion.
  • Dell (NYSE:DELL) dropped about 10 percent in premarket trading on October 30, 2026, after Intel guided fourth-quarter Revenue to USD 15 billion to 16 billion, a figure the market read as weaker PC demand. HP fell about 8 percent, and that link is an inference.
  • Marvell (NASDAQ:MRVL) dropped about 13 percent to USD 218.95 on October 29, 2026, following a media report of advanced talks to buy Lumentum, a deal that has not been announced. The decline followed a deal report, not an AI Demand data point.
  • Microsoft (NASDAQ:MSFT) closed down 0.16 percent on October 29, 2026, after a morning gain of 2.6 percent to 4 percent tied to Azure growth of 48 percent. Alphabet closed 12.7 percent lower the same day, showing how worries about AI spending can wipe out a strong cloud result.

Alliant Energy (NASDAQ:LNT): Contracted data-center demand

Alliant Energy (NASDAQ:LNT) raised its 2027 to 2030 capital plan by 19 percent to USD 15.9 billion, and said it has 3.4 gigawatts of contracted data-center demand. Simple arithmetic implies the prior plan was about USD 13.4 billion. American Electric Power lifted its plan by 30 percent to USD 100 billion, implying a prior figure near USD 76.9 billion on the same arithmetic. Both figures come from single accounts, and the American Electric Power plan is dated Thursday, October 29, 2026. The shared thread is demand from data centers that need large, steady power supplies. Utilities have long been viewed as slow-growth defensive holdings, so plans of this size challenge that image. Regulated utilities earn a return on the capital they invest in approved assets, known as the rate base. When a customer such as a Data Center signs a long-term contract, the Utility can justify building generation and grid capacity, and a larger plan generally means a larger rate base over time. Solaris Energy announced about 900 megawatts of generation for an investment-grade customer, with 15-year terms starting in the first half of 2027. Terms and pricing were not disclosed, so the Economics are unknown.

Dell (NYSE:DELL): Premarket drop on Intel guide

Dell (NYSE:DELL) was down about 10 percent in premarket trading on October 30, 2026, and HP was down about 8 percent. Hewlett Packard Enterprise fell about 5 percent to 6 percent and Super Micro about 5 percent in the same session. These moves come from published premarket quotes taken at one point in time, so they may change by the 9:30 a.m. ET open and have not been confirmed by a second snapshot. The trigger cited was Intel's fourth-quarter revenue guide of USD 15 billion to 16 billion, which implies softer demand for PCs and notebooks. No Dell results or company statement were retrieved, so none is stated. Intel supplies processors that sit inside many personal computers and servers, so its revenue outlook is read as a gauge of how many machines will be built and sold. A guide of USD 15 billion to 16 billion suggests shipments of PCs and notebooks may slow. Investors then reprice companies that sell those devices, such as Dell (NYSE:DELL) and HP. The Intel link is an interpretation of market commentary and not a statement from Dell, so the size of any real demand change is unknown. The decline also came as Intel itself fell about 25 percent in premarket trading, and as Amazon, Reddit and Sandisk dropped, pointing to a wider technology sell-off alongside any PC story.

Marvell (NASDAQ:MRVL): Reported deal, not AI demand

A media report on October 29, 2026 indicated that Marvell (NASDAQ:MRVL) is in advanced talks to acquire Lumentum, and that an announcement might come as soon as next week. This is a report rather than a confirmed event: no company statement, filing or press release has surfaced, and the price, payment form and timing are unknown. Marvell shares dropped about 13 percent to USD 218.95, while Lumentum rose between 2.5 percent and 5 percent in different quotes. Market Capitalization figures of just over USD 220 billion for Marvell and about USD 82.8 billion for Lumentum come from published market data. The relative size, about 37 percent, is simple arithmetic on those two figures. A buyer's shares often fall when a large deal is reported, since investors fear an overpayment, new stock issuance or added debt. If Marvell (NASDAQ:MRVL) paid with shares, existing holders would be diluted, leaving their stake as a smaller piece of a larger company. The seller usually climbs because buyers pay above market price, which fits the Lumentum gain.

Microsoft (NASDAQ:MSFT): Strong Azure growth fades

Microsoft (NASDAQ:MSFT) rose between 2.6 percent and 4 percent in the morning on Azure growth of 48 percent, then gave back nearly all of it to close down 0.16 percent, according to published market data. The 2.6 percent morning gain appears in one account, while the nearly flat close is confirmed in two. The Reversal mattered because technology was under pressure: the Nasdaq Composite lost 1.38 percent, the Philadelphia Semiconductor index fell 1.42 percent, and communication services was the weakest sector at down 1.9 percent. Alphabet, which missed on EPS of USD 2.12, closed down 12.7 percent at USD 283.70, so a flat Microsoft close was a relative win even though the intraday gain disappeared. The S&P 500 closed at 7,720.39, while a second account shows 7,706.63, which looks like a pre-close snapshot. Cloud growth lifts revenue, but investors now weigh it against the cost of building capacity. Capital spending leaves the Balance Sheet as cash right away, while the revenue it supports arrives over several years and Depreciation adds costs in between. Amazon showed the pattern: Q3 capex of USD 77.3 billion against USD 35.1 billion a year earlier left trailing free Cash Flow in outflow of USD 42.4 billion.

Where Things Stand

In short, AI demand is showing up in capital plans and cloud revenue, but investors are not rewarding it uniformly. Alliant Energy (NASDAQ:LNT) has contracted data-center load that supports a larger capital plan. Dell (NYSE:DELL) fell on a peer's warning about PC demand, Marvell fell on a reported deal rather than AI demand, and Microsoft's strong Azure growth faded as spending worries returned. The Alliant and Microsoft (NASDAQ:MSFT) figures are partly single-account. The next catalysts are the October 30 open, Apple's report on Monday, November 2, and rate-case decisions. This is not Investment advice.