BillionToOne stock in focus before Monday open after Friday jump, JPMorgan conference next
NEW YORK, December 29, 2025, 05:02 ET — Premarket BillionToOne, Inc shares rose 3.4% to $89.30 at Friday’s close. The stock last traded at $89.40 in after-hours activity, trading that takes place after the regular session ends, according to Investing.com. Investing The newly public molecular diagnostics company heads into the final trading week of the year with few near-term catalysts…