Halliburton Co. stock HAL, +2.01% dipped in premarket trading Wednesday after the oil service company’s revenue for its second quarter fell short of expectations. The company reported a net income of $610m, or 68c per share, for the second quarter. This is up from $117m, or 12c per share, during the same period last year. The adjusted earnings per share came in at 77 cents. This was higher than the FactSet consensus of 75 cents. The revenue rose from $5.074 to $5.798, which is just under the $5.850 billion FactSet estimate. The completion and production revenue reached $3.5 billion in the second quarter, an increase of 2% over the first, while drilling revenue fell by 2% to $2.3 billion. The stock is down 3% year-to-date, while S&P 500 SPX, +0.71% is up 18.6%.