Opera delivered impressive results for Q3 and has bright growth prospects for the next couple of years.The past three months have been incredible for Opera (OPRA 0.37%) investors. Shares of the company behind the popular web browser of the same name have gained 47% thanks to its solid results.Most recently, the stock popped by 10% following the release of Opera's third-quarter earnings report on Oct. 29. But could it head higher in the near term, and is it still worth buying Opera now with that impressive s ...