Abstract: We study Markowitz's mean-variance portfolio optimization problem. When practically using this model, the mean vector and the covariance matrix of the assets returns often need to be ...

What would a Tesla be without controversy and split opinions? The Tesla Model Y’s midcycle refresh brought significant enough changes to earn it a spot in our 2026 SUV of the Year competition. The ...

Chances are, you’ve seen clicks to your website from organic search results decline since about May 2024—when AI Overviews launched. Large language model optimization (LLMO), a set of tactics for ...

Tesla was never going to launch a separate Model 2, in my opinion, as I called out in May 2024. It doesn't matter. Its new "standard" trims are what the company needs. When accounting for inflation, ...

MCP certification is a hot topic in AI hiring. Here’s what courses are available now, when official certification might arrive, and why it may not solve every problem. The Model Context Protocol (MCP) ...

The debate on SEO‘s changing practice and its transition to AI has heated up recently on podcasts, blogs, news sites, and social spaces around the web. While the discussion is focused on what we ...

Doug Bonderud is an award-winning writer capable of bridging the gap between complex and conversational across technology, innovation and the human condition. As artificial intelligence becomes ...

OpenAI’s latest GPT-5 model dropped yesterday and it’s making big waves in the rapidly moving AI industry. GPT-5 is more than an upgrade. It aims to be a single, smarter system that blends reasoning, ...

“This doesn’t change 503—it just expands the variance process,” Marc Miller, who served as dean of University of Arizona James E. Rogers College of Law for 12 years, told Law.com. “The possibilities ...

Corinne Reichert (she/her) grew up in Sydney, Australia and moved to California in 2019. She holds degrees in law and communications, and currently writes news, analysis and features for CNET across ...