英语语法分析

While Nymex futures are down 30% since April 29, Brent is down 18%.

但是自4月29日以来，纽约商品交易所期货价格下跌了30%，而布伦特原油只下跌了18%。

September Nymex crude oil futures were down 47 cents at $75.30 per barrel.

七月纽约期货交易所原油期货下下降了47美分，收于每桶75.3美元。

That galvanised the industry, forcing Nymex to speed up its embrace of electronic trading.

这一举动刺激了行业，迫使纽约商业期货交易所加快它拥抱电子交易的速度。