Last mentioned: Mar 16, 2026
ARK Invest CEO Cathie Wood has increased her stake in Tempus AI with a $2 million purchase, signaling continued conviction in high-growth technology despite a 15% year-to-date decline for the stock. This move comes as her flagship Ark Innovation ETF struggles to keep pace with the broader market, currently trailing the S&P 500 as Wood maintains her stance that the AI sector is far from a bubble.
This page surfaces every story mentioning Amy Arnott across our finance coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running finance beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Amy Arnott was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |