WIMI - SRNE ATHE MNK and MARA among midday movers August, 04 2020 12:43 PM WiMi Hologram Cloud Inc. Gainers: Alterity Therapeutics (NASDAQ:ATHE) +210%.More news on: Alterity Therapeutics Limited, SilverSun Technologies, Inc., Universal Security Instruments, Inc., Stocks on the move, , Read more ...