noticed 20 genomics/sequencing stocks all breaking out the same week. can't tell if it's a real rotation or I'm just pattern-matching noise

So I run a screen across 2800 nasdaq names, returns over a few horizons, distance from 52w highs, relative volume, dispersion, that kind of stuff. mostly to keep myself honest on the macro instead of trading off headlines. been doing it daily for a while now. this week one thing stuck out and I've been chewing on it for a couple days so figured I'd just put it here and see if anyone's seeing the same thing or can tell me why I'm wrong. there's a clump of genomics / DNA sequencing / diagnostics n