Ripple's XRP is tumbling while bitcoin climbs

XRP is down 13% Friday while bitcoin is up 8%.
Ripple CEO Brad Garlinghouse is defending the company against negative claims made by the New York Times on Friday. Ripple's XRP cryptocurrency slumped as much as 34% Friday morning, trading down to $2.45 a coin, after New York Times reporter Nathaniel Popper said he was unable to verify many of the cooperating banks the company had previously announced. CEO Brad Garlinghouse denied those claims. 
Meanwhile bitcoin, the only cryptocurrency