https://ta-blogs.web.app/sectorpulse/Weekly sector performance for Japan (TOPIX-17) and the US (SPDR), in English — what led, what lagged, and where the two markets disagreed. Data only; not investment advice.https://ta-blogs.web.app/sectorpulse/topix-17-sectors-explained-for-foreign-investors/https://ta-blogs.web.app/sectorpulse/topix-17-sectors-explained-for-foreign-investors/Tue, 08 Sep 2026 00:00:00 GMTThe US has 11 GICS sectors. Japan's TOPIX-17 has seventeen, and they are not a translation of the US set. Here is what each one contains, which are large enough to move the index, and where the mapping to US sectors breaks.https://ta-blogs.web.app/sectorpulse/why-ai-sector-picks-beat-random-chance-a-12-week-backtest-approach/https://ta-blogs.web.app/sectorpulse/why-ai-sector-picks-beat-random-chance-a-12-week-backtest-approach/Sun, 06 Sep 2026 00:00:00 GMTHow to actually verify an AI-based sector pick before trusting it. A honest look at what "AI stock picking" claims mean and the minimum data required to trust one.https://ta-blogs.web.app/sectorpulse/weekly-sector-newsletter-fatigue-how-to-extract-the-3-signals-that-mat/https://ta-blogs.web.app/sectorpulse/weekly-sector-newsletter-fatigue-how-to-extract-the-3-signals-that-mat/Sun, 06 Sep 2026 00:00:00 GMTMost sector newsletters bury 3 useful signals in 40 paragraphs of narrative. Here is how to skim any of them in 5 minutes and get the trade-relevant data.https://ta-blogs.web.app/sectorpulse/us-vs-jp-sector-divergence-why-the-same-theme-prices-differently-2026/https://ta-blogs.web.app/sectorpulse/us-vs-jp-sector-divergence-why-the-same-theme-prices-differently-2026/Sun, 06 Sep 2026 00:00:00 GMTUS and JP sectors reflect the same global theme (AI, energy, rates) but often diverge in timing and magnitude. Here is how to read the gap and where it becomes an opportunity.https://ta-blogs.web.app/sectorpulse/sector-rotation-for-busy-investors-a-15-minute-weekly-routine-2026/https://ta-blogs.web.app/sectorpulse/sector-rotation-for-busy-investors-a-15-minute-weekly-routine-2026/Sun, 06 Sep 2026 00:00:00 GMTA no-nonsense weekly checklist for tracking US and JP sector performance in under 15 minutes. What to look at, what to ignore, and when to actually rebalance.https://ta-blogs.web.app/sectorpulse/sector-performance-week-of-2026-09-04/https://ta-blogs.web.app/sectorpulse/sector-performance-week-of-2026-09-04/Sun, 06 Sep 2026 00:00:00 GMTWeekly sector returns for all 11 US SPDR sectors and all 17 TOPIX-17 sectors, side by side. Energy led the US at +2.20%; Electric Power & Gas led Japan at +5.40%.https://ta-blogs.web.app/sectorpulse/reading-jp-us-market-sectors-side-by-side/https://ta-blogs.web.app/sectorpulse/reading-jp-us-market-sectors-side-by-side/Sun, 06 Sep 2026 00:00:00 GMTJapan and US markets often move together — until they don't. This beginner's guide explains how to read sector performance in both markets side by side, what the divergences tell you, and how to track it. Not investment advice.