These are some of the stocks making the biggest moves during midday trading: Viking Therapeutics — Shares tumbled 42% after phase 2 trial results showed Viking’s experimental oral obesity drug had more side effects than expected. About 20% of the patients in the trial quit using the drug due to symptoms such as nausea and vomiting. On average, patients lost 12% of their starting weight after 13 weeks. Target Hospitality — The temporary workforce housing play jumped around 6%. On Monday, Stifel upgraded Target Hospitality to buy from hold, dubbing it a “back door data center play” and lifting its target price to $11 from $7.50. The new target price suggests about 37% upside from Monday’s close. Nvidia , Advanced Micro Devices and Palantir Technologies — Investors took profits in some of this year’s high-flying tech stocks. Nvidia shares dropped nearly 3%, while AMD fell close to 5%. Palantir lost 7%. Strategy , Robinhood and Mara Holdings — Crypto-linked stocks dipped on Tuesday as bitcoin pulled back more than 2%. Bitcoin proxy Strategy and trading app maker Robinhood fell roughly 6% each. Bitcoin miners Mara Holdings and Riot Platforms lost more than 5% and 2%, respectively. UnitedHealth — The health insurance giant slid more than 2% following back-to-back winning days. The stock had seen a recent resurgence after Warren Buffett revealed a stake of five million shares in UnitedHealth, valu …
