The answer depends upon many factors. What type of trading are you doing? Does your type of trading do best in a volatile market? Does your type of trading do best in a bearish or bullish market? What are your objectives? How much are you trading? What types of stocks or bonds do you prefer?
there are lots of ebooks and hardbound books as well to read about forex, however, i would still recommend to learn this trade from a real and human expert forex trader. you may check this site for this option. for a "mini account" of $100, they will provide you a personal Account Service...