Systemic consequences were felt, as Enron's creditors and other energy trading companies suffered the loss of several percentage points. Some analysts felt Enron's failure indicated the risks of the post-September 11 economy, and encouraged traders to lock in profits where they could. The question now became how to determine the total exposure of the markets and other traders to Enron's failure. Early calculations estimated $18.7 billion. One adviser stated, "We don't really know who is out there exposed to Enron's credit. I'm telling my clients to prepare for the worst."