Microsoft Gained 15% in a Day. Somebody Still Has to Power It

Two earnings reports reversed a month of anxiety about what artificial intelligence costs, and the electricity underneath the build is the part that never traded on sentiment. The even-weight strategy runs six real-economy sectors inside twenty basis points of each other, with utilities at full size.

Brad Roth
July 31, 2026

TL;DR

• Microsoft closed up 15.51% Thursday and Amazon added 13% after hours, pulling the S&P 500 up 1.66% and the Nasdaq Composite up 2.78%.

• The long end did not get the message. The 30-year Treasury yield sits at 5.21% and the 10-year at 4.68%, both higher again this morning with equity futures green.

• Six sectors run between 15.9% and 16.1% in the even-weight strategy, utilities among them. Power demand is the one line item in the AI build that shows up regardless of which chipmaker wins.

Market Pulse

As of 7:15 AM ET

• Futures are green across the board.

• S&P 500 futures are up 0.45%.

• Nasdaq 100 futures add 1.14%.

• Dow futures are up 0.65%.

• Russell 2000 futures gain 0.57%.

Gold is $4,110, down 1.2%. Crude is firmer, with WTI at $84.38 and Brent at $89.68. Volatility indicates 16.76. Bitcoin is near $63,900. Japan closed up 4.03% overnight and the dollar buys 160.01 yen after the Bank of Japan stood pat. Thursday's session: the S&P 500 rose 1.66% to 7,437.63, the Nasdaq Composite gained 2.78% to 25,122.18, the Dow added 1.19% to 52,208.06, and the Russell 2000 rose 1.37%.

THOR Risk Gauge

Cautiously bullish. Both published strategies open near fully invested, and Thursday reversed the week's worst session on actual earnings rather than on a policy hope. What keeps this measured is the long end, where a 30-year at 5.21% and a 10-year at 4.68% are both higher again this morning against 4.2% inflation and $84 crude. Volatility at 16.76 says the equity market has already decided which of those two stories it cares about.

The THOR View

Utilities runs 16.0% in the even-weight strategy, and this week handed the sector its cleanest argument in months. Microsoft's quarter and Amazon's overnight move both arrived with capital spending attached, and the market spent last week treating that spending as damage. Electricity is the part of the build that does not care how that argument resolves. A datacenter draws power whether the chips inside it came from the leader or the challenger, and whether the return shows up in 2027 or 2031. Regulated utilities sell that power under rates set by state commissions. The offset is real: with the 10-year at 4.68%, a sector that trades partly as a bond proxy has a discount-rate problem that has not gone away.

The rotation strategy runs two broad benchmarks at roughly half each, the S&P 500 at 49.8% and the blue-chip average at 49.2%, with about 1% in cash. Microsoft is a member of both. That matters in a week where the market's whole move traced back to four or five companies reporting: owning the index means never guessing which of the big spenders gets believed. Alphabet and Tesla were punished last week for disclosing the same kind of capital plans Microsoft was rewarded for on Thursday. Amazon's after-hours move lands inside the broad benchmark this morning without a decision being made about it.

Underneath the index, the even-weight strategy has converged to nearly a straight line. Financials, materials, real estate, utilities, healthcare and industrials all sit between 15.9% and 16.1%, with about 4% in cash. Twenty basis points separate the largest position from the smallest, in a market where the ten biggest companies are roughly 35% of the cap-weighted index. That structure is a refusal to let one story decide the month. July ends today with the S&P 500 up 0.48% across its last five sessions, a stretch that contained the worst session in fifteen months and Thursday's full recovery of it.

Signal Watch

THOR Index Rotation — As of 7/30/26

Two broad benchmarks at roughly half each and 1% in cash. Both are whole-market exposure, which is how the strategy owns a week driven by a handful of companies without taking a view on any one.

THOR Low Volatility — As of 7/30/26

Six sectors inside twenty basis points of each other, plus 4% in cash. Energy stays out with crude at $84, because a Gulf premium built on shipping headlines can leave the way it arrived. Technology at zero is the one sector the index positions already carry in size.

THOR AdaptiveRisk Dynamic — As of 7/30/26

Equity runs about 70% of this strategy, fixed income 13.5%, specialty currency just over 9%, digital assets just under 7%, and commodity under a point. Blockchain equity now sits at the top of the table, a shade ahead of energy, which is the position the systematic sector build leaves out by design. The currency leg is where the macro view lives, with a short-yen position among the five largest lines and the dollar at 160 yen.

One Thing to Watch

Amazon's regular session today is the real read on the overnight move, because a 13% gap that holds through a Friday close is a different event from one that fills by lunch. It also lands on the last trading day of July, when index funds and target-date portfolios do their month-end work into the close. The 30-year is the other one to watch: at 5.21% it has spent the week ignoring every equity rally, and that is the yield utilities and real estate feel first.

From the same desk — THOR Signals reads the regime on the whole market and any name your clients hold, three horizons, every market evening, with the price where each read turns. See it at thorsignals.com.

Brad Roth / CIO, THOR Financial Technologies

This content reflects the opinions, analyses, and research of THOR Financial Technologies as of the date published. It is provided for informational and educational purposes only and does not constitute investment advice and should not be relied upon as the basis for any investment decision. Past performance doesn't guarantee future results, and all investments involve risk. For more information, please go to: thorft.com