NEW YORK -- Stocks that moved substantially or traded heavily on Wednesday:
Zayo Group Holdings Inc., up $2.38 to $33
The fiber optic infrastructure company said it is being bought by Digital Colony and EQT for $14.3 billion in cash and assumed debt.
Scientific Games Corp., up $3.60 to $22.47
The instant-win lottery ticket maker beat Wall Street's first quarter earnings and revenue forecasts.
Diamondback Energy Inc., up $7.62 to $105.85
The energy exploration company beat first quarter profit forecasts and announced a $2 billion stock buyback program.
Inogen Inc., down $23.35 to $67.79
The maker of oxygen concentrators for respiratory conditions slashed its revenue forecast for the year.
Marathon Petroleum Corp., down $4.20 to $55.23
The oil refiner reported a surprise first quarter loss and announced the merger of two of its operations.
Qorvo Inc., up $2.50 to $76.18
The chipmaker beat Wall Street's fourth quarter profit and revenue forecasts and issued a strong forecast for the current quarter.
TripAdvisor Inc., down $6.27 to $48.67
The travel website operator reported a surprise drop in first quarter revenue.
3D Systems Corp., down $1.99 to $8.60
The maker of 3D printers reported a wider-than-anticipated first quarter loss and lower revenue.