ChrisHepburn/E+ via Getty ImagesOverview I previously covered Oaktree Specialty Lending (NASDAQ:OCSL) back in March and rated it as a hold due to its price trading at a premium to net asset value and its declining net investment income. However, I wanted to reassess this business development company and provide a more specific time range in regard to its performance. OCSL actually didn't publicly exist until the tail end of 2017 because prior to this the portfolio was managed by Fifth Street. Therefore, ...