5月17日电，据洲际交易所（ICE），截至5月13日当周，布伦特原油投机者将净多头头寸增加53,586手至151,144手合约。

Group 1 - The core point of the article is that speculators have increased their net long positions in Brent crude oil, indicating a bullish sentiment in the market [1] Group 2 - As of the week ending May 13, the net long positions for Brent crude oil rose by 53,586 contracts to a total of 151,144 contracts [1]