Firstly, Novalent (WNB) is not organic, so it cannot be sprayed...

Firstly, Novalent (WNB) is not organic, so it cannot be sprayed into the air when there are humans present, that's a very big differentiator with HCT's product which is organic. Secondly, they tested 99.8% effective against human COVID19 which by CDC standards has FAILED. In order to be successful in killing COVID19 as per CDC standards, it needs to kill the virus by at least 99.9%+ (log 3 reduction minimum). That's the unfortunate truth. By that point, you may as well just use ZNO's products over Novalent. That's probably why they didn't get any movement in share price.