Apple ( AAPL +1.78%) stock has done well this year, and it currently sports a $4 trillion market cap, making it the second-largest company in the world behind Nvidia ($4.4 trillion). Investors love the company behind the iPhone, iPad, and the entire Apple computing ecosystem that generates over $400 billion in revenue each year.

Tech companies are pouring billions into AI chips and data centers. Increasingly, they are relying on debt and risky tactics. Financial analysts are worried there's a bubble that will soon pop.

"There is no question that Nvidia will make a bunch of money," Gary Marcus, a professor emeritus of psychology and neuroscience at New York University, who specializes in AI, told ABC News. "There are many questions about where the market is headed after this initial burst of enthusiasm."

Sharp critiques of efforts to limit state AI laws have MAGA populists and progressive advocates joining forces in an unexpected coalition.

Six AI leaders are uniting to form a single company. How is this possibly legal, asks Madhavi Singh of Yale’s Thurman Arnold Project, an initiative dedicated to antitrust issues.

At first glance, rising token counts could be seen as a sign that the adoption of AI, along with the tech industry’s potential to profit from it, is soaring (most modelmakers charge users based on their token use). In fact, however, the link between tokens and demand is fuzzy. The link to profits is fainter still.

The tech-centric Nasdaq Composite has returned 90% over the last five years, outperforming the S&P 500 and Dow Jones Industrial Average. Artificial intelligence (AI) has been a significant catalyst for the growth of the largest tech companies over the last few years, but it's just getting started.

Across the country, colleges and universities are struggling to figure out how to incorporate AI into the classroom. ChatGPT debuted almost exactly three years ago. And very quickly, students began to see its potential as a study buddy,

I also reached out to a registered dietitian to get their thoughts on the app's processed food risk scale and AI chatbot.

However, with investors celebrating the apparent breather in the AI storm, a very familiar voice has stepped back into the conversation. Scion Asset Management founder Michael Burry, the original “Big Short,” is back at it, questioning whether Nvidia’s explosive growth reflects sustainable demand.

AI isn’t going anywhere. My hope is to keep AI in the land of transparent usage where it belongs. ... I simply ask, what if this was you? Let that be your guidepost,” Amy Redford wrote on Instagram.

Last month it was circularity. This month, it's depreciation.

The last decade taught us painful lessons about how social media can reshape democracy: misinformation spreads faster than truth, online communities harden into echo chambers, and political divisions deepen as polarization grows.