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Microsoft +15%, Apple -9%, Micron -29% in a Month. The Scorecard Is Written. Here Is What It Means.

The biggest earnings week of the year confirmed the rule: growth with controlled capex is rewarded, everything else is sold. The Nasdaq-100 just had its worst month since March 2025. This is the week to start buying what got sold.

Microsoft +15%, Apple -9%, Micron -29% in a Month. The Scorecard Is Written. Here Is What It Means.

Wednesday's Fed went as I expected, only louder: a hold with three dissents in favor of a hike, the most since 2016, and a statement that named energy and the Middle East. The Dow fell 1,153 points, its worst day since April 2025, and the 10-year finished July at 4.75%. Then the earnings came.

Microsoft: Azure up 43%, capex held, stock up 15.5% on Thursday, the largest single-day value gain any company has ever recorded. Amazon: AWS up 37%, stock up about 9%. Meta: earnings miss, costs up 55%, down 9%. Apple: iPhone up 22%, but guidance cut on memory costs, down 9.4% on Friday, its worst day in 16 months. Boeing turned free cash flow positive and rose 4%. PayPal beat and rose 4.5%. Robinhood beat, crypto revenue fell 38%, prediction markets carried it, and the stock slipped anyway.

Last Monday's ranking, Microsoft first, then Amazon, Boeing, PayPal, and Robinhood, with Meta and Apple to avoid, went seven for seven. I say that not to take a lap but because what comes next depends on being honest about why it worked. It worked because the market applied one rule, consistently, for a month. Rules that consistent get fully priced. That is where we are this morning.

The Rule Is Now Priced. Time to Look at What It Broke.

Micron fell 28.7% in July. Sandisk fell 56% from its June 25 high to its July 29 low. Intel lost 35% in a month. The semiconductor index shed more than $2 trillion of value. All of that happened while the customers of these companies, in their own earnings calls, raised or held capex plans totaling more than half a trillion dollars for this year alone, Samsung said the chip crunch will last until 2028, and Apple told you its guidance is constrained by the price of memory.

Read that last point again, because it is the whole thesis. The largest buyer of memory in the world just cut its guidance because memory is too expensive and too scarce. That is not what the bottom of a memory cycle looks like. It is what the middle of one looks like. Micron in the $800s, down almost a third in a month, with an August-quarter guide of $50 billion, is the most mispriced large-cap in the market this morning.

Nvidia is the second name. Its customers just told you, one after another, that they are spending more, not less. It reports on August 26 and I will publish my updated model before then. The last time I ran the numbers I called it a sell at $215. It is $195 now with earnings roughly double what they were. The multiple did the work the price was supposed to do.

This Week

Key Levels

Micron, buying zone$850 to $900
Nvidia, buying zone$190 to $200
AMD data-center revenue, bull caseAbove $6.5B
July payrolls, level that ends hike talkBelow 50,000
10-year yield, ceiling for a chip reboundUnder 4.75%

My Take

The market spent July sorting the AI trade by capex discipline, and it sorted correctly. What it got wrong is the suppliers: it sold memory and GPUs while their customers were raising orders and Apple was cutting guidance because it cannot get enough of them.

Playbook: Micron and Nvidia this week, stay with Microsoft and Amazon, wait on AMD until after the print, reassess Novo after Tuesday.

Disclaimer: This is not financial advice. All analysis is for informational and educational purposes only. Do your own research before making any investment decisions.