US Stock Market Movement: Nvidia surges on September 28 following expanded buyback authorization and AI security platform announcement

Nvidia September 28 Surge Explained

Keywords: Expanded buyback authorization, AI security platform

1. On September 28, Nvidia's board of directors approved an additional $150 billion stock buyback authorization, increasing the remaining authorized buyback total to $235 billion, which is expected to be completed by the end of fiscal year 2028; this increment marks the largest single increase in buyback authorization in history.

2. On September 28, Nvidia launched an open intelligent agent security platform, including OpenShell and NVIDIA Sentry. The platform can manage AI agent permissions from testing to deployment and achieve millisecond-level isolation of abnormal agents, expanding its AI software platform capabilities.

(Disclaimer: This content is generated by AI technology through the collection and summarization of publicly available information and is for reference only. It does not constitute investment advice.)