Baker Hughes (BHGE) released its financial information for 1Q18 on April 20. Immediately following the earnings release, Baker Hughes stock reacted positively. The stock increased 0.8% to $33.99 from the previous day’s close. The VanEck Vectors Oil Services ETF (OIH) decreased 0.7% on the same day. OIH tracks an index of 25 oilfield equipment and services companies.