U.S. markets ended mixed on Tuesday, with several AI-related stocks facing pressure after the closing bell. The Dow Jones ...

What Happened? A number of stocks fell in the afternoon session after the major indices continued to pull back, with ...

Tharimmune soared over 42% after hours Wednesday after reporting strong data for its opioid overdose prevention drug.

Nordson Corp. surged over 5% after hours Wednesday following a Q3 earnings and revenue beat driven by double-digit growth in key segments.

CoreWeave shares are rising in Wednesday's after-hours session after Jane Street took a passive stake in the company.