LONDON (Reuters) -A rout in shares of European companies embracing artificial intelligence deepened this week, as powerful new AI models raise questions about whether sectors from software to data ...

On Aug. 7, OpenAI released GPT-5 — its latest AI model — which the company says includes significant improvements in addressing health-related questions. The model performs considerably better ...

Zhao, J. (2025) Dynamic Pairs Trading Strategies for Constrained Emerging Markets. Journal of Financial Risk Management, 14, ...

An online trove of archived conversations shows the artificial-intelligence model sending users down a rabbit hole of theories about physics, aliens and the apocalypse.

A time series is a sequence of numerical data points in successive order. In investing, it tracks the movement of the chosen data points at regular intervals and over a specified period of time.

With safer design, more robust reasoning, expanded developer tooling, and broad user access, GPT-5 reflects a maturing AI ecosystem.