Why is Solaria Energia y Medio Ambiente stock rallying today?

OpenAI said Thursday that Chief Revenue Officer Denise Dresser is leaving her role less than a year after she joined the artificial intelligence lab, a startling exit for a company that’s gearing up for what’s expected to be a blockbuster IPO. The company said Dresser is leaving “to pursue other opportunities,” according to a release….

When the stock market is going through boom times, it’s understandable that some people might feel tempted to day trade — buying and selling stocks based on short-term market moves or overpriced hype. If it seems like lots of other people are getting rich quick in the stock market, some people might feel a sense…

The work summarized here was presented as the Arnold Zellner Memorial Keynote Address at the 46th International Symposium on Forecasting in Montreal, June 2026. Generative AI was used as an editing tool and helped with references and literature review. I thank Martín (Tincho) Almuzara for ongoing discussions on the topics in this paper. The views…

Copy Citation Elsa Perdrix, Axel H. Börsch-Supan, Johannes Geyer, Peter Haan, and Sami Louahlia, “Severe Cognitive Impairments and Long-term Care in Germany,” NBER Working Paper 35469 (2026), https://doi.org/10.3386/w35469. Copy to Clipboard Download Citation

Investors step in to close Africa’s critical $80B infrastructure financing gap. Gulf investors are rapidly reshaping Africa’s investment landscape, committing billions of dollars to ports, transport corridors, logistics, renewable energy, and critical minerals as governments across the continent seek new sources of long-term development finance. The shift gathered momentum in June, when sovereign wealth funds…