Not a lot to worry about. Many people like to sell on news as it spikes. There is usually a spike and pullback so it makes sense the daytrader/players drop on news and buy back after the inevitable pullback. Just a different way of playing the game and probably more lucrative. You do have to have the nerves for it though.
Another reason people will sell is many may have bought this stock when it was under .10 and under .20 and under .30. There are some big profits to be made if you bought at .06 and now it's almost 9 times that high. A good way to secure profits or build on your position. All normal day to day operations of the market. IMO