Purchasing Managers Index
Key economic statistics
What it means: Released each month by the Institute for Supply Management, the ISM Purchasing Manager's Index is a gauge of conditions in the manufacturing sector of the economy.
How it's used: A reading above 50 indicates expansion in the manufacturing sector, while a reading below 50 indicates contraction. Changes in the manufacturing sector are a barometer for aggregate demand and can indicate a pickup or slowdown in overall economic conditions.
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