Alexion ($23 billion, -3% YTD) is a pharma company best known for Soliris, a drug used to treat atypical hemolytic uremic syndrome and paroxysmal nocturnal hemoglobinuria  two rare disorders. Alexion ($23 billion, -3% YTD) is a pharma company best known for Soliris, a drug used to treat atypical hemolytic uremic syndrome and paroxysmal nocturnal hemoglobinuria  two rare disorders. You can find many such discontinuous pairs here. You can find many such discontinuous pairs here. BioMarin Pharmaceutical focused on enzyme replacement therapies.
the last few years have seen zero improvement
( z0 improve :polarity - :time ( z1 before :duration ( z2 few :op ( z3 temporal-quantity :quant 1 :unit ( z4 year ) ) ) :op ( z5 now ) ) )
(z0 / improve-01
    :polarity -
    :time (z1 / before
              :duration (z2 / few
                            :op1 (z3 / temporal-quantity
                                     :quant 1
                                     :unit (z4 / year)))
              :op1 (z5 / now)))
the last few years have seen zero improvement
z1 :duration z2
z3 :quant 1
z2 :op1 z3
z3 :unit z4
z1 :op1 z5
z0 :polarity 0
z0 :time z1