fluctuation

“Service providers are the people who have a far smaller income, who could less afford to weather fluctuations in their income than maybe attorneys can,” Solis said.

"Blood pressure changes from moment to moment, day to day and by season -- these random fluctuations can easily be as big or larger than the changes brought about by treatment," he said.

Retirees, who often live off of their portfolios, are especially sensitive to market fluctuations.

Just knowing that your irritability could be linked to fluctuations can make you feel like you’re not crazy.

“We are trying to keep up with the wild fluctuations and pass along what costs we can to our customers.”