Optimizing Your Long Runs Could Be the Trick to a Faster Marathon. Here’s How You Can Score a PR.

Snag a big marathon personal best by going all-in on the long run. Training for your next marathon–and aiming to score a big ...

Citadel's stockpickers have a new AI sidekick, but the firm warns against 'offloading human judgment'

The firm does not mandate use of the new chat tool, but it has close to full adoption across Citadel's stockpicking teams.