Great things DO happen. I had a penny stock I accumulated between 2011 - 2013 for between $0.05 and $0.17. It went as high as $0.27 then disaster struck (a long story) and it dropped to $0.04. After two years of futility a new CEO took over last year and my 600,000 shares ran from $0.11 in January to $0.97 by March 5 of this year. I did sell some in the $0.90s, but got greedy and kept most of my position. Now it's in the mid $0.30s after falling all the way to $0.26 (the gap is always filled after a parabolic rise). The good news it that the very competent CEO has tens of millions of shares, about 11m bought with his own money before he became CEO, and he has not sold a single share, so he definitely is vested in promoting shareholder value. I project the price will be $1.00 again by year-end.
I see a similar situation with MDNT after this week's announcement and I added to my already 2,000,000 position on Friday. It may take 2-3 years to see the "big bucks," but the rewards can be beyond your wildest dreams. Just don't get too greedy and do take some profits on the way up, especially if it's a parabolic rise.
Good luck to us!