MKTY - Hydrofarm Holdings Ocugen among premarket losers' pack

InspireMD (NSPR) -19%.Reviva Pharmaceuticals (RVPH) -17%.RealNetworks RNWK -16% on preliminary estimates for its first-quarter, stock offering.Mechanical Technology (MKTY) -10% after subsidiary announces newest addition of the PBS-4100+ portable vibration and balancing system.Sol-Gel Technologies (SLGL) -9%.Hydrofarm Holdings Group HYFM -9% on equity raise and proposes to acquire nutrient maker, HEAVY 16; Q1 sales seen growing 65% Q/Q.Ocugen (OCGN) -7% on 10M stock offering.Mesoblast (MESO) -6%.X Financial (XYF) -6%.Mechel PAO (MTL) -5%.

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Hydrofarm Holdings, Ocugen among premarket losers' pack