I used VaderSentiment (https://github.com/cjhutto/vaderSentiment https://github.com/cjhutto/vaderSentiment) for sentiment analysis. It's not a perfect solution

I used VaderSentiment (https://github.com/cjhutto/vaderSentiment https://github.com/cjhutto/vaderSentiment) for sentiment analysis. It's not a perfect solution, as I'm sure some of the discussion on these companies is loaded with jargon that wouldn't be interpreted accurately by a general sentiment analyzer.