Before revision:  Remarkably, we find that the size of herding-related avalanches in the community can be strongly reduced by the presence of a relatively small percentage of trader s , randomly distributed inside the network, who adopt a random investment strategy.
After revision:  Remarkably, we find that the size of herding-related avalanches in the community can be strongly reduced by the presence of a relatively small percentage of traders , randomly distributed inside the network, who adopt a random investment strategy.