[Zhipu Open Source GLM-5.3-Flash, U.S. PCE Exceeds Expectations, Nvidia Rises After Hours] DeepTech TechFlow reports that on August 27, according to Jintou Data, Zhipu officially claimed the "Bull Coming" initiative today and announced the launch and open-sourcing of the GLM-5.3-Flash large model. In macroeconomics and commodities, the U.S. July PCE price index annual rate was 3.7%, higher than the market expectation of 3.6%, slightly increasing the likelihood of a Federal Reserve rate hike next month. Due to disruptions in Black Sea exports, CBOT wheat futures prices hit a three-year high. Energy inventory data shows that as of the week ending August 21, U.S. Strategic Petroleum Reserve (SPR) stockpiles decreased by 3.7 million barrels. In tech stocks, Nvidia's latest earnings report failed to impress some investors, but its CFO revealed during a conference call that the company's growth rate for fiscal year 2028 is expected to reach 70%. This strong guidance directly boosted the stock's after-hours performance.