01:34 PM EDT, 07/24/2024 (MT Newswires) -- Enphase Energy ( ENPH ) shares rose amid heavy trading following price target raises from analysts, likely prompted by the company's in-line Q3 revenue outlook.

Shares advanced more than 11% as intraday trading volume jumped to more than 10.2 million from a daily average of about 4.05 million.

Pieris Pharmaceuticals ( PIRS ) and Palvella Therapeutics said on Wednesday that they have agreed to merge in an all-stock transaction.

Shares of Pieris soared nearly 78% as intraday trading volume advanced to almost 5.28 million from a daily average of about 21,000.

Hoth Therapeutics ( HOTH ) said on Wednesday that it signed an agreement with LTS Therapy Systems to develop and manufacture an oral film prototype.

The company said the HT-ALZ prototype is under development as a novel therapeutic solution for Alzheimer's Disease based on preclinical results released earlier this year.

Shares jumped 4.9%, with intraday trading volume at nearly 32.1 million versus the stock's daily average of roughly 98,000.

Price: 116.19, Change: +12.55, Percent Change: +12.11