Opera runs the Opera web browser.

Opera runs the Opera web browser.

The Facebook spending spree may be continuing as a new report says the social networking giant might be looking to buy Norwegian company Opera Software.

Now fully under the microscope of Wall Street as well as Main Street investors, Facebook is trying to solve its mobile monetising problems and has been gobbling up various companies in recent months to increase its presence in the world of smartphones.

If the latest report is accurate, the Menlo Park-based company's next target could be Opera.