07:34 AM EDT, 04/22/2026 (MT Newswires) -- Huachen AI Parking Management Technology (HCAI) shares were up 52% in Wednesday premarket activity, adding to Tuesday's gain.

Poet Technologies (POET) stock was 20% higher, extending gains from the previous session.

Kyverna Therapeutics (KYTX) shares were up 14% after the company reported overnight that a single dose of miv-cel in its KYSA-8 study "delivered rapid, statistically significant and clinically meaningful improvements"throughout all primary and secondary endpoints at 16 weeks.

Adobe (ADBE) stock was 3.1% higher, a day after the company said its board approved a new share buyback authorization, giving the company authority to buy back up to $25 billion in shares through April 30, 2030.

Kyverna Therapeutics

Senast

8,95

1 dag %

−12,51%

1 dag

1 mån

1 år

Adobe

Senast

238,98

1 dag %

−6,63%

POET Technologies

Senast

11,72

1 dag %

−8,22%
Marknadsöversikt

1 DAG %

Senast

1 mån