Ye stellar will just follow ripple pump mostly because of speculators
and because its a nice coin also
So the current prices are result of a pump? or of the news regarding the banks adopting XRP?
Yes and no. They are both definitely due for a bit of a correction, but then again they could just rise up even more before correcting, and then today's price may be the good entry point months from now. The news on banking adoption has definitely fueled XRP's growth recently, although speculators probably do not realize that it is just banks adopting similar tech, not actually Ripple itself.
Stellar has been steadily increasing their presence so people will say this current growth is a long time coming. A lot of holders too, since it was an airdrop.