Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Portfolio variance is a measure of the dispersion of returns of a portfolio.

Anthropic has begun rolling out a small but significant update to Claude. Starting today you can use the chatbot to create and edit Excel spreadsheets, documents, PowerPoint slide decks and PDFs. In ...

The mixed model in a 2-way analysis of variance is characterized by a fixed classification, e.g., treatments, and a random classification, e.g., plots or individuals ...

Anthropic on Tuesday announced a new Claude feature that some users should appreciate. The chatbot can now create files for you based on the instructions you provide in a prompt. Claude can generate ...

Claude can now do the tedious grunt work of creating files for you. On Tuesday, Anthropic shared a new feature for Claude where users can ask it to create Excel spreadsheets, PowerPoints, Word ...

Thinking of making 2025 the year you take on your first open water challenge? There are countless organised events across the country to choose from, with different distances and difficulty options – ...

Truly breakthrough ideas rarely hatch overnight. Consider, for example, Charles Darwin’s theory of evolution, which had a protracted evolution of its own. Darwin spent decades reading scientific ...

The four essential behaviors that help them win the top job and thrive once they get it by Elena Lytkina Botelho, Kim Rosenkoetter Powell, Stephen Kincaid and Dina Wang The chief executive role is a ...

Leaders in the IIoT market include ABB, AWS, Cumulocity, Hitachi, PTC, and Siemens. MIAMI, Sept. 9, 2025 /PRNewswire/ -- The Industrial Internet of Things (IIoT) Data Platform market is moving beyond ...

Closed‐form solutions for HARA optimal portfolios are obtained in a dynamic portfolio optimization model in three assets (stocks, bonds, and cash) in a Vasicek‐type model of stochastic interest rates ...