Dominion Diamond and Impax rise; FedEx and BlackRock fall

Stocks that moved substantially or traded heavily Monday:

FedEx Corp., down $3.58 to $215.48

The logistics company said a cyberattack is still hurting its TNT Express business and will affect its full-year results.

Dominion Diamond Corp., up 59 cents to $14.07

The diamond producer agreed to be acquired by Washington Cos. for $14.25 a share, or $1.2 billion.

BlackRock Inc., down $13.71 to $424.63

The investment firm posted a smaller-than-expected profit and weaker revenue in the second quarter.

Blue Apron Holdings Inc., down 77 cents to $6.59

The Sunday Times reported that Amazon is getting ready to launch a meal-prep business that would compete with Blue Apron.

Multi-Color Corp., down $4.80 to $77.75

The label maker agreed to buy a business from Constantia Flexibles for $1.3 billion.

Church & Dwight Co., up 71 cents to $53.33

The maker of household and personal products will buy showerhead and water-powered toothbrush maker Water Pik for $1 billion.

American International Group Inc., down 6 cents to $64.05

Banks, insurers and financial companies lagged the rest of the market Monday.

Impax Laboratories Inc., up $1.35 to $18.10

The company said regulators approved its generic version of extended-release Concerta, the attention deficit hyperactivity disorder drug.