By Tony Owusu Gun stocks were one of the few sectors in the green on Monday following a mass shooting in Buffalo, New York over the weekend. The reaction is so predictable you can set your watch to it. A mass shooting occurs, the news covers it, calls for gun control or reform grow louder for a while, nothing of impact happens legislatively, the country forgets about shootings until the next big one. Anyone paying attention can see that pattern and there are plenty of examples to choose from. This year there have been 202 mass shootings — shootings with 4 or more victims other than the gunman…