NBIS NBIS Stock Plunges 11.9% to $114.43 Despite Three Analyst Upgrades 2 weeks ago NBIS shares fell 11.9% to $114.43 despite three analyst upgrades, with no clear fundamental catalyst for the $3.9 billion market… NBIS Stock Jumps 14.4% to $110.32 on Heavy Volume 3 weeks ago NBIS shares surged 14.4% to $110.32 on volume 2.27x average, though no specific catalyst was identified in available data.