Viking Therapeutics Inc. cheered analysts Monday after the biotech posted data on its oral weight-loss drug showing better-than-expected results from a Phase 1 trial. The news sent the stock sharply higher in premarket trade, before it surrendered those ...

Viking Therapeutics stock is volatile Monday after the pharma company released positive data for its weight-loss drug. Here's what you need to know.

Viking Therapeutics shares rose Monday morning before reversing course and declining after reporting the latest results from clinical trials of its weight loss drugs.