Bassett Furniture logged higher sales and profit, boosted by a tariff refund. Shares rose 8.5% to $18.95 in after-hours trading Wednesday.

Vicor raised its third-quarter guidance, citing higher royalties from a licensing deal. The stock rose 9% to $314.58 after the bell.

Constellation Energy agreed to a $3 billion deal with Amazon to expand a Maryland power plant. Shares advanced 2.5% to $260.30.