31 Stocks Moving in Thursday's Pre-Market Session Gainers Sonoma Pharmaceuticals, Inc. (NASDAQ: SNOA ) rose 44.4% to $10.73 in pre-market trading after the company, and EMC Pharma, announced an exclusive partnership to expand commercial channels of the Microcyn-based Rx dermatology and eye care products nationwide. AeroCentury Corp. (NYSE: ACY ) rose 38.3% to $ 4.91 in pre-market trading. The company recently reported that it filed a petition for a Chapter 11 reorganization. PF Industries, Inc. (NASDAQ: PFIN ) shares rose 27.5% to $8.39 in pre-market trading after gaining over 9% on Wednesday. The company recently reported results for the year ended December 31, 2020. Psychemedics Corporation (NASDAQ: PMD ) rose 25.8% to $7.80 in pre-market trading. The company recently reported a Q4 loss. Jaguar Health, Inc. (NASDAQ: JAGX ) rose 17.8% to $2.12 in pre-market trading following 2020 results. The company reported FY20 sales of $20.511 million, up 146% year over year. Nortech Systems Incorporated (NASDAQ: NSYS ) rose 17.7% to $7.39 in pre-market trading.