"It's a trend, but only because there have been no clear trends in hair for a while," he said.
"The late 80's will be remembered as a time when there was no clear musical trend."
But the numbers showed a clear trend in that direction over the last 15 years.
He said investors should hold off until a clear trend could be recognized.
"And the clear trend of rising prices is not as sure."
There is no clear trend in the number of hurricanes.
The stock market ended the week without a clear trend.
"I see a very clear trend for this to extend into the future," he said.
There is a clear trend towards concentration of business and other activities.
County officials said annual job turnover shows no clear trend.