Viking Therapeutics, Inc. (NASDAQ:VKTX – Get Free Report) fell 2.2% during trading on Monday following insider selling activity. The stock traded as low as $66.18 and last traded at $66.97. 1,007,703 shares changed hands during mid-day trading, a decline of 78% from the average session volume of 4,488,377 shares. The stock had previously closed at $68.48.

SoundHound AI, Inc. (NASDAQ:SOUN – Get Free Report) shares were up 0.7% during trading on Monday . The company traded as high as $7.56 and last traded at $7.25. Approximately 30,885,498 shares changed hands during mid-day trading, a decline of 9% from the average daily volume of 33,915,832 shares. The stock had previously closed at $7.20.

NVIDIA (NASDAQ:NVDA – Get Free Report) had its target price upped by equities research analysts at UBS Group from $150.00 to $185.00 in a note issued to investors on Monday,Benzinga reports. The brokerage presently has a “buy” rating on the computer hardware maker’s stock. UBS Group’s target price suggests a potential upside of 26.97% from the stock’s current price.

Joby Aviation, Inc. (NYSE:JOBY – Get Free Report) shares rose 11.1% during trading on Monday . The stock traded as high as $5.80 and last traded at $5.79. Approximately 9,288,836 shares were traded during mid-day trading, an increase of 31% from the average daily volume of 7,100,063 shares. The stock had previously closed at $5.21.