Most commonly, patients describe acute tenderness in the buttock and sciatica-like pain down the back of the thigh, calf and foot. Typical piriformis syndrome symptoms may include: 1  A dull ache in the buttock. 2  Pain down the back of the thigh, calf and foot (sciatica). 3  Pain when walking up stairs or inclines.
There are currently 10 sectors and 68 industries. Three of the 68 industries do not have companies represented in the S&P 500 Index; therefore, performance is not available for Marine, Transportation and Infrastructure, and Water Utilities.
Macroeconomics. The tertiary industry is one of three industry types in a developed economy, the other two being the primary (raw materials) and secondary (goods production) industries.As an economy becomes more developed, it will shift its focus from primary to secondary and tertiary industries.REAKING DOWN 'Tertiary Industry'. The tertiary industry is one of three industry types in a developed economy, the other two being the primary (raw materials) and secondary (goods production) industries.