Friday's Fast Five: Week of 10.3

9 Technologies That Transformed Investing—From the Telegraph to AI (The Wall Street Journal): In the early days of the country, each city conducted its own financial business. Here are the key innovations that changed everything.

Why people are dropping big bucks to see a movie from 1939 (The Hustle): By leaving Kansas. The Wizard of Oz has been a beloved classic for decades. You can stream it, rent it, or check out any number of repertory screenings, but nothing’s like seeing it at the Sphere.

In surprise twist, Armani's will sets stage for sale of fashion empire (Reuters): Late designer Giorgio Armani instructed heirs to gradually sell the revolutionary fashion house he created 50 years ago or seek a market listing, his will said, setting off a race to control one of the world's best-known brands and a major shift for a company highly protective of its independence and Italian roots.

Spending on AI Is at Epic Levels. Will It Ever Pay Off? (The Wall Street Journal): Tech companies pour hundreds of billions into data centers, taking on heavy debt, but current revenue is relatively tiny; echoes of dot-com bubble.

The Misunderstood Genius of Taylor Swift (The Wall Street Journal): Taylor wants to take familiar shapes and play with them until she can make them feel new, and alive, and ours. That’s what makes her a genius and why we should pay more attention to her as an artist, not just a celebrity. It’s why so many people—myself included—have spent so much time studying and admiring her greatest songs and finding parts of our own lives in them.