As we all know Practice makes us perfect, and this is the most ultimate thing you can do to increase your reading speed, just start reading and work on the weaker aspects of your reading skills. and once you master the basics you will be on your way to becoming a good reader
If yo believe you have some kind of problem, with your reading, here are a few of these potential problems. Lack of concentration can be a real problem ,concentration is an obvious problem for reading, This problem is one of the basic reading problems and is usually dealt with in most courses. Poor eye movement may cause some readers to shift their eyes to other directions and than go back to the book or paper to relocated the last point read.
Usually we start strong and begin to slow down aswe read on. This kind of problem typically creates a situation of going back to re-read some lines over and over again, or a need to read the same sentence a couple of times for lack of understanding or loosing the line of thought altogether.