Retreat to More Defensive Stance; S&P Potential Key Reversal Day

1:45 p.m. ET Pre-market looked to be off to a better start than morning cash trade has settled into. Additional U.S. Dollar gains (+0.25%) didn’t show up as a pressing issue in pre-market, but after the open the influence became clear. This is more true of value-leaning sectors/averages and averages already contending with key resistance…