OpenAI to test ads in ChatGPT
According to OpenAI, “Our approach to advertising and expanding access to ChatGPT”, the company will start testing ads in the U.S. on Free and Go tiers while keeping Plus/Pro/Enterprise ad‑free. The move prioritizes ADS as a funding lever and raises trust and targeting questions. [OpenAI](https://openai.com/index/our-approach-to-advertising-and-expanding-access-to-chatgpt)
Micron to buy Taiwan fab for $1.8B
According to Bloomberg, “Micron to Buy Taiwan Chip Fabrication Site for $1.8 Billion”, Micron signed a letter of intent to acquire Powerchip’s P5 site to boost memory production, with meaningful DRAM output expected in H2 2027. The deal underscores how tight memory demand is reshaping global supply chains. [Bloomberg](https://www.bloomberg.com/news/articles/2026-01-17/micron-to-buy-taiwan-chip-fabrication-site-for-1-8-billion)
Biotics AI wins FDA clearance for fetal ultrasound
According to TechCrunch, “Biotics AI, Battlefield 2023, gains FDA approval for its AI-powered fetal ultrasound product”, the startup secured FDA clearance for software that assesses ultrasound quality and flags anomalies. This milestone is clinical VALIDATION that could accelerate adoption in prenatal care. [TechCrunch](https://techcrunch.com/2026/01/19/biotics-ai-battlefield-2023-gains-fda-approval-for-its-ai-powered-fetal-ultrasound-product/)
US tariff shock
According to AP, “US futures sink after Trump warns of higher tariffs for 8 countries over Greenland issue” as President Trump’s threat of tariffs on eight European nations pushed U.S. futures lower and boosted safe-haven assets while markets were closed for Martin Luther King Jr. Day, heightening geopolitical and trade risk. [AP News](https://apnews.com/article/df4db0546f46195d477e0306c830abf9)
Earnings and market pause
According to Nasdaq, “Stock Market News for Jan 19, 2026” U.S. benchmarks finished mixed to flat as investors weighed corporate earnings and comments on Fed policy and trade, leaving volatility slightly higher ahead of a busy earnings calendar. [Nasdaq](https://www.nasdaq.com/articles/stock-market-news-jan-19-2026)
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