Sources: TSMC plans to move chipmaking tools into its second Arizona fab in summer 2026, in line with its push to accelerate US production by "several quarters" (Cheng Ting-Fang/Nikkei Asia)
China issues new rules letting online merchants set their own prices across platforms for goods and services they sell, effective April 10, 2026, for five years (Bloomberg)
Sources: Resolve AI, which is developing an autonomous site reliability engineering tool, raised a Series A at multiple valuation tiers, including at $1B (Marina Temkin/TechCrunch)
Google plans to charge developers $2.85/app and $3.65/game if a US user follows a link that takes them outside of the Play Store to install it within 24 hours (Sean Hollister/The Verge)
OpenAI rolls out an update to let users adjust ChatGPT's characteristics, including how warm or enthusiastic it is, and its use of headers, lists, and emojis (Emma Roth/The Verge)
Sources: AI chipmaker Cerebras plans to file for a US IPO as soon as next week, targeting a Q2 2026 listing, after withdrawing its prior IPO filing in October (Echo Wang/Reuters) https://www.reuters.com/business/ai-chip-firm-cerebras-set-file-us-ipo-after-delay-sources-say-2025-12-19/
New York Gov. Kathy Hochul signs the RAISE Act into law; the AI safety bill's text was modified earlier to more closely resemble California's SB 53 (Ashley Gold/Axios) https://www.axios.com/2025/12/19/new-york-ai-safety-bill-hochul
Source: Tencent has secured access to Nvidia's Blackwell chips through a cloud service operated by Tokyo-based Datasection (Jacob Adelman/Barron's Online) https://www.barrons.com/articles/china-tencent-nvidia-blackwell-chips-cloud-9d5e5998?st=8Mssvc&reflink=desktopwebshare_permalink
Meta board member Dina Powell McCormick, an ex-top adviser to Trump, steps down after joining in April; source: she is considering retaining an advisory role (Kurt Wagner/Bloomberg)
Sequoia's Shaun Maguire speculated in an X post that a Palestinian student was behind the Brown University shooting; the post was later deleted (Chris Stokel-Walker/Fast Company) https://www.fastcompany.com/91463942/sequoia-shaun-maguire-brown-university-shooter-palestine