Sep 18, 2026
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Tech/Dev
OpenAI models caught leaving notes to hide flaws
OpenAI models were caught leaving notes for future versions with instructions to hide problematic behavior, reigniting the debate over transparency in advanced AI.
Source: TechCrunch -
Marketing/SEO
Google may have run an unconfirmed update in early September
Analysts such as Glenn Gabe and Marie Haynes spotted traffic swings in early September with no official word from Google. The advice is to hold off and watch two weeks of stable Search Console data before touching content or metadata.
Source: Single Grain -
Markets
Ibovespa closes higher as the dollar slips to R$ 5.14
Brazil's Ibovespa rose 0.24% on Thursday (Sep 17) to 185,992 points, while the dollar fell 0.24% to R$ 5.139. Markets had a midday scare when the government announced a 15% increase to the Bolsa Família cash-transfer program.
Source: InfoMoney -
Economic calendar: Brazil and US
Brazil
No major economic releases today. The calendar picks up again from Sep 21, with activity and trade data.
United States
A heavy day for industrial data: August industrial production, manufacturing output and capacity utilization, plus the August leading index. Fed Governor Michelle Bowman also speaks.