With a low volume, undiscovered stock you'll see fluctuations like that. As for stock dropping in the premarket, nothing more than a market maker shaking the tree.
RNLX headed in the right direction. New partnership with Davita (S&P 500 company). JP Morgan Health Conference presenter on the 13th. And they still have the game changing antibody test kit with FDA EUA, and Europe CE mark.
Good luck.
News 
Market Data 
Discover 
