Express ScriptsHolding Co. Inc. has narrowed its earnings guidance for 2016.

Adjusted earnings per diluted share for the year are now expectedto be between $6.33 and $6.43, compared with a previous range of $6.31 to $6.43. That revision raises themidpoint from $6.37 to $6.38 per share. The company left its guidance for otheroperating metrics unchanged.

For the third quarter, Express Scripts expects to report adjusteddiluted earnings per share of $1.72 to $1.76.