Parasitic Shorts!! Anyone know Why??

Folks I have never seen a more manipulated stock or a better word would be abused. Who in the hell is doing this? Everyday I add because I can't stand to watch, after every transaction boom short. For example the price was just 17.5 and a parasite shorted to 16.5 and then instantly again down to 16.1, the ask then dropped to 17.15 and I put in an order for 10k shares of course it only filled 4k of it and price jumped back up to 17.5 The shorts are on a evil mission here, does anyone know why??? Honestly this is non stop attacking and I have never seen anything like this. Currently just south of a half mill. shares and building.