Gainers: Mmtec (MTC) +78%. Mitcham Industries (MIND) +54%. Usio (USIO) +29%. Materialise (MTLS) +20%. Maxar Technologies (MAXR) +15%.Losers: Riot Blockchain (RIOT) -12%. Bridgeline Digital (BLIN) -8%. Canaan (CAN) -8%. Qumu (QUMU) -7%. Anaplan (PLAN) -7%.