[7/4 05:00] Micron breaks ground on $9 billion Hiroshima plant expansion / ByteDance discovers new scaling law for AI agents

AI News Flash for July 04, 2026 at 05:00 UTC. Topics: 1. Micron breaks ground on $9 billion Hiroshima plant expansion https://www.bloomberg.com/news/articles/2026-07-04/micron-breaks-ground-on-9-billion-western-japan-plant-expansion 2. ByteDance discovers new scaling law for AI agents https://www.scmp.com/tech/big-tech/article/3359373/chinas-bytedance-discovers-new-scaling-law-could-sustain-ai-boom 3. Bipartisan AI Labeling Act introduced in US Senate https://alohastatedaily.com/2026/07/03/congress-watch-schatz-introduces-bill-requiring-labels-on-ai-content/