A.M. Update

S&P and Nasdaq futures are mixed, on either side of their flatline, while Dow (+0.4%) and Russell 2000 (+0.7%) futures hold an edge. Market-moving overnight news was centered on diplomacy. Brent crude ripped above, then faded (-1.6%) toward $98 after Kyodo said Iran offered to reopen Hormuz in seven days if the U.S. lifts the…