[BRIEFING.COM] The S&P 500 (-0.64%) is near afternoon highs currently down about 37 points.
Elsewhere, S&P 500 constituents Humana (HUM 297.99, -18.75, -5.92%), CDW (CDW 217.36, -8.94, -3.95%), and HP Inc. (HPQ 34.59, -1.28, -3.57%) pepper the bottom of the average. CDW and HPQ are lower after Citigroup downgraded both stocks to Neutral from Buy.
Meanwhile, Paychex (PAYX 140.87, +6.68, +4.98%) is atop the standings following earnings.