[BRIEFING.COM] The S&P 500 (+0.49%) is in last place among the major averages, though still up about 37 points.
Briefly, S&P 500 constituents Dell (DELL 569.18, +33.16, +6.19%), Humana (HUM 403.65, +23.33, +6.13%), and PayPal (PYPL 54.86, +2.26, +4.30%) dot the top of the average. HUM rises after Barclays upgraded to Overweight on confidence in Medicare star ratings boost, while PYPL gains amid reports of renewed takeover interest.
Meanwhile, Cboe Global Markets (CBOE 256.59, -10.98, -4.10%) is today's worst-performing constituent amid a broader selloff in exchange stocks, with higher Treasury yields and concerns about softer trading activity weighing on the stock after its recent slide (CME -2.2%, ICE -1.6%, NDAQ -1.3%).