Thus, the index has reached its highest peak since May 2011.
Analysts had previously expected that the index in April would decrease down to 53 points.
PMI index exceeding the 50 point mark, shows evidence of an increase in activity, and it has been above this level for ten months steadily.
Markit also shows that the PMI index in the production field in April, has increased from 53 to 53.3 points.
But in the service sector, it has grown from 52.2 to 53.1 points.