Gold is stumbling around right now, having fallen victim to a rising U.S. dollar today, which is more than counteracting a slight rise in regular trading.

Those four topics sum up today’s trading currents. Let’s start with the most intractable and the one that is most immediately able to endanger the world economy: Greece.

As the dust begins to settle on the Euro-Greek tragicomedy and on the first phase of an Iran nuclear-bomb-prevention deal, we are back to some extent to business as usual.