The computer software gaming industry has been a stellar performer since bottoming near the end of 2012. It ranked No. 9 out of 197 groups in Friday’s IBD. It’s up more than 50% so far this year, even with this month’s stock market swoon. Piper Jaffray analyst Michael Olson says part of the reason is that a new generation of consoles that are 50% faster than the previous generation is helping to drive growth.