The Wall Street Journal China’s Cybersecurity Regulator Summons Nvidia Over Chip-Security Issue — The Cyberspace Administration of China wants Nvidia to explain “backdoor security risks” associated with its H20 chips sold in China and submit relevant documents. China Official PMIs Signal Impending Slowdown — The country’s official gauges of economic activity weakened in July, signaling a potential economic slowdown after resilient growth in the first half of the year. Globa