HOUSTON (AP) _ Phillips 66 (PSX) on Friday reported a second-quarter loss of $141 million, after reporting a profit in the same period a year earlier.

On a per-share basis, the Houston-based company said it had a loss of 33 cents. Losses, adjusted for pretax gains, were 74 cents per share.

The results topped Wall Street expectations. The average estimate of seven analysts surveyed by Zacks Investment Research was for a loss of 99 cents per share.

The oil refiner posted revenue of $11.18 billion in the period, falling short of Street forecasts. Three analysts surveyed by Zacks expected $14.92 billion.

Phillips 66 shares have dropped 43% since the beginning of the year, while the Standard & Poor's 500 index has stayed nearly flat. The stock has dropped 39% in the last 12 months.

This story was generated by Automated Insights (http://automatedinsights.com/ap) using data from Zacks Investment Research. Access a Zacks stock report on PSX at https://www.zacks.com/ap/PSX

Automated Insights, source Associated Press News