U.S. benchmark crude oil lost $1.46 to $47.78 per barrel in electronic trading on the New York Mercantile Exchange. The Nasdaq composite rose 0.5% to a record 12,807.92. The S&P 500 fell 0.4%, a day after it and other major indexes returned to record heights. In energy markets, benchmark U.S. crude lost 67 cents to $46.35 per barrel in electronic trading on the New York Mercantile Exchange. Brent crude, the international standard, declined $1.63 to $50.63 per barrel.
Oil prices by 2018 were stunning.
( z0 stun :ARG0 ( z1 thing :ARG2-of ( z2 price :ARG1 ( z3 oil ) ) ) :time ( z4 by :op ( z5 date-entity :year 2018 ) ) )
(z0 / stun-01
    :ARG0 (z1 / thing
              :ARG2-of (z2 / price-01
                           :ARG1 (z3 / oil)))
    :time (z4 / by
              :op1 (z5 / date-entity
                       :year 2018)))
Oil prices by 2018 were stunning .
z1 :ARG2-of z2
z2 :ARG1 z3
z4 :op1 z5
z5 :year 0
z0 :time z4
z0 :ARG0 z1