Key Highlights

  • Alliant Energy (NASDAQ:LNT) raised its 2027 to 2030 Capital plan by 19% to USD 15.9 billion, citing 3.4 gigawatts of contracted data-center demand, as reported. American Electric Power was reported to lift its plan by 30% to USD 100 billion.
  • Dell (NYSE:DELL) fell about 10% in premarket trading on October 30, 2026 after Intel guided fourth-quarter Revenue to USD 15 billion to 16 billion, which the market read as softer PC demand. HP fell about 8%, and the link is an inference.
  • Marvell (NASDAQ:MRVL) fell about 13% to USD 218.95 on October 29, 2026 after 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 datapoint.
  • Microsoft (NASDAQ:MSFT) closed October 29, 2026 down 0.16% after a morning gain of 2.6% to 4% tied to Azure growth of 48%. Alphabet closed 12.7% lower the same day, showing how AI spending worries can erase a strong cloud result.

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

Alliant Energy (NASDAQ:LNT) lifted its 2027 to 2030 capital plan by 19% 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 raised its plan by 30% 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 common thread is demand from data centers that need large, steady power supply. Utilities have long been seen 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, called 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 from 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% in premarket trading on October 30, 2026, and HP was down about 8%. Hewlett Packard Enterprise fell about 5% to 6% and Super Micro about 5% 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 the fourth-quarter revenue guide of USD 15 billion to 16 billion from Intel, 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 at USD 15 billion to 16 billion suggests that 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 the interpretation of market commentary and not a company statement from Dell, so the size of any real demand change is unknown. The decline also came as Intel itself fell about 25% in premarket trading, and as Amazon, Reddit and Sandisk dropped, which points to a wider technology sell-off alongside any PC story.

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

A media report said on October 29, 2026 that Marvell (NASDAQ:MRVL) is in advanced talks to buy Lumentum, and that an announcement could come as soon as next week. This is a report and not a confirmed event: no company statement, filing or press release has been found, and the price, form of payment and timing are not known. Marvell shares fell about 13% to USD 218.95, while Lumentum rose by 2.5% to 5% in different quotes. The 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%, is simple arithmetic on those two figures. The share price of a buyer often declines when a large deal is reported, because investors worry that it will pay a premium, issue stock or add debt. If Marvell (NASDAQ:MRVL) paid with shares, current holders would be diluted, which means their stake becomes a smaller share of a larger company. The seller usually rises because buyers pay above the market price, which fits the Lumentum gain.

Microsoft (NASDAQ:MSFT): Strong Azure growth fades

Microsoft (NASDAQ:MSFT) rose between 2.6% and 4% in the morning on Azure growth of 48%, then surrendered almost all of it to close down 0.16%, per published market data. The 2.6% morning gain appears in one account, while the near-flat close is confirmed in two. The Reversal mattered because technology was being sold: the Nasdaq Composite lost 1.38%, the Philadelphia Semiconductor index fell 1.42%, and communication services was the weakest sector at down 1.9%. Alphabet, which missed on EPS of USD 2.12, closed down 12.7% at USD 283.70, so a flat Microsoft close was a relative win even though the intraday gain vanished. 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 immediately, while the revenue it supports arrives over several years and Depreciation raises 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 at an outflow of USD 42.4 billion.

Where Things Stand

The answer is that AI demand is showing up in capital plans and cloud revenue, but investors are not paying for 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 and not on 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.