Sep 29, 2026

• Tech/Dev

  ChatGPT gets voice agents on mobile

  OpenAI added voice agents to ChatGPT on mobile, letting users trigger workflows like drafting documents and emails or summarizing messages straight from their phone.

  Source: AI Agent Store

• Marketing/SEO

  41 of the 50 biggest US news sites lost traffic

  Between August 2025 and August 2026, 41 of the 50 largest US news sites lost traffic, with steep drops at outlets like Newsweek and Business Insider, attributed to Google's AI Overviews and AI Mode.

  Source: WTF is SEO?

• Markets

  Ibovespa opens lower as the dollar climbs

  Brazil's Ibovespa opened 0.26% lower on Tuesday (Sep 29) and the real weakened 0.86%, as markets awaited IGP-M inflation and unemployment data, both key to the Selic rate (13.75%) path ahead of the Nov 4 Copom meeting.

  Source: The Rio Times

• Economic calendar: Brazil and US

  Brazil

  8 a.m. BRT: September IGP-M (high impact, forecast 1.60% for the month). 8:30 a.m.: August bank lending (medium impact). 9 a.m.: August unemployment rate (high impact, expected 5.3%). Source: ADVFN's Farol Econômico.

  United States

  10 a.m. BRT: S&P/Case-Shiller home prices. 11 a.m.: Conference Board consumer confidence and August JOLTS job openings, both high impact. 11:30 a.m.: Dallas Fed Services. 5:30 p.m.: weekly API crude inventories. Fed officials Bowman, Cook and Barkin speak in the afternoon.