What's your #1 trading rule?

I've heard plenty. Warren Buffet, for example, has only two, apparently:

1. Don't lose money

2. See rule 1

Huh.

I ask in reference to the AUD and the Australian trade balance data.

The data came in at a huge surplus. Good news, right?

And yet the AUD pop was met with instant sellers - which indicates to me the thing is offered and the best bet is for lower.

I.e the thing to pay attention t is not the data but the market response to the data.

But ... here's the thing, since then its been a big fat nothing going on.

And it brings to me my #1 trading rule ... only trade active markets. Which, right now, is not what we've got here.

Thoughts, comments. All welcome!