Stocks of the oil and gas giant rafters (CVX 0.28%) tumbled this morning, down 2.5% within minutes of the market open. That oil stock managed to hit positive territory throughout the day but it was only one dead cat jumps. As of 1:30 p.m. ET Thursday, Chevron stock was back in the red, trading 1.4% lower as crude prices eased.
West Texas Intermediate crude prices tumbled nearly 5% this morning to their lowest level in nearly a month, buoyed by…