Tuesday plan: stay concentrated in proven AI growth leaders
Tuesday plan: keep MSFT, NVDA, and META at full size while retaining a smaller AMZN position. Monday confirmed the book's leadership, but weak financials, small caps, and long-duration bonds still argue against broadening risk.
Accountability grade: A. Monday validated the prior plan to keep the concentrated AI growth book, with the portfolio gaining 1.55% against SPY's 0.67%.
Since Last Session
The portfolio gained 1.55% on Monday against SPY's 0.67%. NVDA led with a 2.12% gain, followed by META at 1.9% and MSFT at 1.48%. AMZN slipped 0.05% and remained the weak link.
Regime Check
Regime: R2. Selective growth leadership remains intact, but participation outside large-cap technology is uneven.
Supporting: QQQ has 3.64% 20-day momentum and 5.64% 60-day momentum. MSFT, NVDA, and META each show positive momentum across both periods. The VIX is 15.52, which doesn't signal acute market stress. AI and compute spending remain tied to visible demand, while reporting on data-center supply constraints points to continued investment pressure.
Contradicting: TLT has negative 3.66% 20-day momentum and negative 5.88% 60-day momentum, leaving growth valuations exposed to rising yields. XLF and IWM also have negative momentum over both periods, so the advance lacks confirmation from credit-sensitive and smaller companies. AMZN's negative 1.42% 60-day momentum shows that even AI-linked growth isn't participating evenly.
Plan for Tuesday
Keep the portfolio unchanged. MSFT, NVDA, and META earned their full allocations through stronger price leadership and clearer links between AI investment and earnings. AMZN stays at 15% because its fundamental case remains credible, but its relative weakness doesn't support adding.
The open should confirm that technology leadership remains orderly, with MSFT, NVDA, and META participating rather than leaving the advance dependent on one stock. AMZN needs to hold its recent stability and show improving relative demand. Weakness across the full growth group alongside further pressure in long-duration bonds would argue for reassessing position sizes, not making a mechanical trade from a single price level.
Positioning
| Holding | Weight | Thesis state | Action | Evidence |
|---|---|---|---|---|
| MSFT | 29% | STRENGTHENED. | Hold. | Monday's 1.48% gain and positive 20-day and 60-day momentum support enterprise AI, software, and cloud leadership. |
| AMZN | 15% | WEAKENED. | Hold at the smaller weight. | Monday's negative 0.05% move and negative 1.42% 60-day momentum leave it behind the other holdings. |
| NVDA | 28% | STRENGTHENED. | Hold. | Monday's 2.12% gain and positive momentum across both measured periods confirm AI infrastructure leadership. |
| META | 28% | INTACT. | Hold. | Monday's 1.9% gain and 17.68% 60-day momentum support the advertising monetization and consumer AI case. |
Institutional Signals
The filings support concentration as a portfolio style, but they remain slow-moving context. Pershing Square reported substantial positions in AMZN and MSFT, while Bridgewater reported exposure to NVDA and AVGO alongside broad index holdings. Berkshire's portfolio also remains concentrated in a small set of high-conviction companies. These disclosures support owning proven earnings franchises, but their filing dates make them unsuitable as Tuesday trading signals. Scion's filing is older still and carries less weight for the current decision.
What Could Break It
The portfolio thesis would weaken if hyperscalers cut or defer 2027 capital spending, supply constraints prevent AI demand from becoming recognized revenue, or rising yields cause technology leadership to fail broadly. Company-level breaks include slower Azure growth alongside higher spending, deteriorating NVIDIA gross-margin guidance, weaker META monetization, or AWS growth failing to justify Amazon's infrastructure investment. Continued weakness in financials and small caps would also challenge the durability of the wider market advance.