Despite a massive buying opportunity (or landslide depending on your perspective) there were some cryptocurrencies that rose strongly against the tide. NXT is one of the outliers who rose almost 30%.
While all the details for this coins strong stand are not clear to us at this time, it does look like some of it could be a buying frenzy leading up to the Snapshot taking place on December 28, 2017 which will be used for the upcoming IGNIS airdrop.