Oil services company Halliburton Inc. /zigman2/quotes/210488727/composite HAL +2.50% said Monday it had a net loss of $235 million, or 27 cents a share, in the fourth quarter, narrower than the loss of $1.654 billion, or $1.88 a share, posted in the year-earlier period. Adjusted to exclude severance and other charges, the company had per-share earnings of 18 cents, ahead of the 15 cents FactSet consensus. Revenue fell to $3.237 billion from $5.191 billion, but also beat the $3.213 billion FactSet consensus. Chief Executive Jeff Miller said he is "optimistic" about activity momentum in North America and expects international activity to bottom in the first quarter. The company booked $446 million of pre-tax impairments and other charges in the quarter, mostly due to a contemplated structured transaction for its North American real estate assets. Shares rose 2.4% premarket, but have fallen 13.4% in the last 12 months, while the S&P 500 /zigman2/quotes/210599714/realtime SPX -0.20% has gained 13%.