08:22 AM EST, 01/14/2025 (MT Newswires) -- Phio Pharmaceuticals ( PHIO ) shares tumbled 42% in recent Tuesday premarket activity, erasing Monday's surge.

Bogota Financial ( BSBK ) stock plunged 32%, extending the previous session's loss.

Signet Jewelers ( SIG ) stock fell nearly 17% after it said it lowered its fiscal Q4 sales outlook to a range of $2.32 billion to $2.34 billion, from the previous guidance of $2.38 billion to $2.46 billion.

BP (BP) shares were down 2%, after saying it expects "weaker" realized refining margins in Q4 to be between $100 million and $300 million and a higher "impact" from turnaround activity.