RE:??? The high of $16 was early on in the Covid 19 testing process when Sona's test system was identified as a big up and comer. Then the regulator shot it down and it completely tanked. I don't think it will run like that again but for those getting in at these levels it is encouraging.
532,200 total trades today.
Possibly it is their gold nanorod phototherapy for certain cancers that is attracting attention.
They issued a presentation on it in late January:
https://youtu.be/EjyGim8Pqqw