It’s D-Day for oil as investors wait for POTUS to lay down his Iran proclamation, and investors keep selling the slick stuff in anticipation, MarketWatchreports.

While crude is going to dominate the day, there’s another asset worth keeping a weather eye on. Just a couple of weeks ago, the yield on 10-year Treasurys ratcheted up to 3%. It’s since backed off that level, but investors remain a little edgy about the possible inversion of the yield curve, when short-dated yields crest above long-dated ones — seen as a recession red flag.