Dow opens down 1.6% to 7794. S&P -1.8% to 818. Nasdaq -1.6% to 1561. Key data this morning...

|By:, SA News Editor

Dow opens down 1.6% to 7794. S&P -1.8% to 818. Nasdaq -1.6% to 1561. Key data this morning was in line, and Asia markets were tame, so nothing much to pin the weakness on, yet.