U.S. light crude was trading erratically on the New York Mercantile Exchange, hitting $44.50 a barrel before easing back a bit to $44.10, still a gain of $1.27.
The price of US light crude is based on per barrel
( z1 base :ARG1 ( z2 thing :ARG2-of ( z3 price :ARG1 ( z4 crude :ARG1-of ( z5 light ) :mod ( z6 country :name ( z7 name :op "US" ) ) ) ) ) :ARG2 ( z8 rate-entity :ARG1 ( z9 volume-quantity :quant 1 :unit ( z10 barrel ) ) ) )