BNB price increases depend on how their exchange works and develops. now down, it's natural because the market as a whole is also moving downward. but it is very easy for the BNB to rise, there are IEO that can quickly make trade increase.
BNB has to witness pumps and dumps, as bumping along its journey on the crypto market, with impacts from bitcoin movements (ups and downs) and from Binance exchange's performance. If Binace will be able to maintain its position as top exchange, and won't lose its position too much, BNB will maintain its price or even can rise higher.