RE:the cause of the sudden movement..?the only thing that changed, is the market became aware of this gem due to the article that was published about them. They will have some NR's coming out, and they should be what propels the stock skyward, but in the mean time, here is a big piece of what value they have. Essentially, they have NO competition:
https://www.stockhouse.com/companies/bullboard?symbol=c.app&postid=26997542