According to a recent study, blogs and social media have become a more important source of information for financial professionals, but subscription syndicated services like Bloomberg and Thomson Reuters still have the biggest impact on investment decisions. A recent study on how investors use of online media authored by Brunswick director Sparky Zivin and partner Jason Golz found that 70% of investors think that digital media is becoming a more important source of investment ideas. The percentage of investors who read blogs for work is up 7% over last year, and the professional use of social networks is up 2%….