They don't have monopoly on the data, just on the access. And they start to realise that this can disappear quickly if someone invests enough to provide a compe

They don't have monopoly on the data, just on the access. And they start to realise that this can disappear quickly if someone invests enough to provide a competitive interface (e.g. Reuters). Google's in a better position, replicating underlying data is even more expensive.