Here are the ten most active Big Board issues at this time

SPDR S&P 500 ETF Trust down 1.180 271.700

General Electric Co down .209 14.431

Bank of America Corp down .210 31.900

iShares Emerging Markets ETF down .215 48.435

Twitter Inc up .860 35.290

Rite Aid Corp down .060 1.840

Ambev S.A. ADS rep 1 common down .085 6.985

AK Steel Hold up .160 5.780

SPDR Financial Sector down .194 28.766

Petroleo Brasileiro SA (Petrobras) down .320 14.340

The ten volume leaders on the NYSE MKT:

New Gold Inc down .075 2.505

TransEnterix Inc up .015 1.895

Pareteum Corp up .114 2.784

iShares MSCI India Index Fund down .150 33.880

B2gold Corp down .080 2.910

Retractable Technolgies Inc up .090 1.040

Cheniere Energy Inc down .625 54.075

22nd Century Group Inc down .035 2.535

Northern Oil & Gas Inc up .029 2.099

Gran Tierra Energy Inc down .030 2.540

And the ten most active issues in Nasdaq trading:

Advanced Micro Devices up .650 12.410

Micron Technology Inc up .275 54.015

Credit Suisse Velocity Shs 2x Vix Short up .380 8.740

Momo Inc ADS up 1.900 35.870

Intel Corp up .115 50.825

Dollar Tree Stores down 16.010 88.350

Apple Inc down 1.750 174.920

PowerShares QQQ Trust Series I down .560 167.980

Mondelez International Inc down 1.765 43.805

Microsoft Corp down .380 92.940