The price of West Texas Intermediate crude rose by $2. Illustration: iStock

A $2 rise in the price of West Texas Intermediate crude sparked a rally in oil stocks, which underperformed during the past month as oil price fell.

The seven top performers in the S&P 100 (ConocoPhillips, Schlumberger, Halliburton, Chevron, Occidental Petroleum, Kinder Morgan and Exxon) are all energy names.

Some industry leaders that plunged on trade war fears show modest increases. Caterpillar is up a bit more than 1% after losing nearly 18% since its January peak.

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