The Power Transmission Distributors Associate Business Index increased for the fourth consecutive quarter, indicating continued business growth among PTDA members. With a reading of 85.5, the recently released first quarter results indicate the power transmission/motion control industry expanded at a faster pace than 4Q2010 when the index was at 73.4.
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The index reading indicates the rate of change compared with the previous period. For example, a reading of 50 indicates no change from the prior period while readings above 50 indicate growth and below 50 indicate contraction. The further the index is above or below 50 suggests a faster or slower rate of change.
The table below provides an overview of the results and a breakout reading of the PTDA Business Index by distributor and manufacturer:
![\"PTDA](\"https://www.mdm.com/ext/resources/images/PTDA-business-index-1Q2011.jpg\")
The PTDA Business Index full report is available through PTDA's website at www.ptda.org/Index.
