This is definitely a valid concern/question in a typical situation but the circumstances here should shed some light on the security of the overall market value:
There's a maximum potential of 14,400 coins mined per 24 hours. There are 5 minutes between new blocks. 24 hours * 60 minutes / 5 is 288 blocks per day * 50 (the block reward). The diff adjustment applying to each block in the fashion that it does accordingly (25% up or down) help keep things on an even level. The scarcity of NEOS combined with it's usefulness, I don't foresee it being something that is dumped too carelessly for a quick return or even wave trading.
Hopefully that helps set your minds at ease some but if not please feel free to voice your concerns even with that being said.