The correlations are so complex that single stocks would not make a dent on the price of currency. On the other hand if you are looking at Google it will have an impact on Internet Index for example.
Only 23K accounts in a country with over 300 million population? Wow that is very little, I thought those brokerages were much bigger. Well, on the other hand trading Forex in US is not as popular as trading stocks.
I know traders that make 6 digits income and they don't look at news at all, all the news is engraved in the chart. On the other hand there are some who would not trade without it. It's a personality thing.