Viking Therapeutics shares surged 25% before the bell on Monday after early-stage data from the company's experimental oral obesity drug showed weight loss and safety above Wall Street expectations. Patients who received the higher dose 100 milligram version of the oral drug,

Here are the key points about Viking Therapeutics' oral obesity drug VK2735: Early-Stage Trial Results: All doses of VK2735 demonstrate at least 10% weight loss compared with 4% for placebo. The trial is conducted in 28 days. And those with the highest dose of 100 mg lost an average of 8.2% of body weight.