NEW YORK — Stocks that traded greatly or had significant cost modifications Friday:
Pinterest Inc., up $2.84 to $20.40.
Activist financier Elliott Management apparently took a huge stake in the digital pinboard and shopping tool business.
Citigroup Inc., up $5.84 to $49.98.
The bank’s second-quarter profits and income beat experts’ projections.
UnitedHealth Group Inc., up $27.32 to $529.75.
The health insurancecompany raised its revenue projection for the year after reporting strong second-quarter monetary outcomes.
State