The rate board has started asking harder questions of the record tape. Friday’s digest says the S&P 500 closed Thursday at 7,641.16, down 0.87%, after touching an early-August high near 7,723. The index is still close to the high shelf, but the change in tone matters. When sovereign yields sit near multi-decade highs, every long-duration growth story has to clear a higher bar.

Bitcoin moved the other way. The digest places BTC at $74,581, up 7.87%, and describes a decoupling from equities as traders looked for a catalyst outside the AI megacap trade. That reading should be treated as an analyst interpretation, not a law of nature. Bitcoin still responds to liquidity, regulation, leverage, ETF flows, and macro appetite. But the divergence is worth noting because it hints at a market looking for fresh narrative fuel.

Treasury buybacks sit in the middle of the puzzle. The digest says Treasury Secretary Scott Bessent flagged scope for larger debt buybacks and an upcoming fiscal plan, yet 30-year yields still rose Thursday. Buybacks can help market functioning and smooth parts of the curve, but they do not erase the broader question: who absorbs large duration supply when inflation remains sticky and fiscal deficits remain visible?

The Fed language in the digest keeps that question alive. Multiple officials reportedly warned that rate rises may still be necessary if inflation does not cool. Investors can argue over the next meeting, but the larger message is that the market is not back in a simple easing regime. If flash PMI data point to resilient demand and sticky prices, the rate board may keep leaning against easy financial conditions.

Palantir is the day’s cleanest AI valuation test. The digest says the stock is near $174, close to a post-earnings high, with market capitalization above $417 billion, a price-to-earnings ratio near 150, and a price-to-sales ratio around 74. It is a proxy for the market’s belief that AI software can translate into durable, high-margin, institution-scale revenue. A premium can be justified when growth, margins, customer concentration, and strategic positioning all line up. But a premium that large leaves little room for ordinary execution noise.

The day’s lesson is that AI capital markets are entering a more discriminating phase. The first phase rewarded exposure. The second phase will ask whether exposure converts into cash flow under expensive money. A record index can hide that transition for a while. A stubborn 30-year yield tends to uncover it.