Ryan Vlastelica for MarketWatch:  If robots are taking jobs, should you invest in the robot makers?

That’s the argument behind a pair of outperforming exchange-traded funds that track the robotics industry, which could continue seeing strong growth as more positions get automated by machines or algorithms.

In a Jan. 23 note, UBS named automation and robotics as one of the two areas of technological innovation that would drive productivity over the coming decade, along with the digital data industry.

“Both have the potential to profoundly transform the structure of our economy, disrupt existing business models, but also create substantial growth opportunities for those well-positioned to participate,” the firm wrote, singling out the ROBO Global Robotics & Automation Index ETF ROBO, +0.59%  as a fund that would benefit from this trend, with the investment time horizon of a decade.  Cont'd...