Companies Trading Lower After Releasing Earnings

Avid Tech AVID is trading down over 20% after releasing Q2 earnings. StanCorp Financial Group SFG is trading down over 14% after releasing Q2 earnings. AMCOL International ACO is trading down nearly 13% after releasing Q2 earnings. Healthways HWAY is trading down over 11% after releasing Q2 earnings. USG Corp USG is trading down over 8% after releasing Q2 earnings. Olin Corp OLN is trading down over 7%.