NEW YORK (AP) -- Stocks that moved substantially or traded heavily Friday:
J.C. Penney Inc., down 78 cents to $3.93
The struggling department store chain reported quarterly results that fell short of Wall Street's expectations.
Luxoft Holding Inc., down $15.10 to $45.70
The software and IT company reported a big miss in its latest quarterly earnings.
Camping World Holdings Inc., up $3.22 to $34.69
The recreational vehicle retailer and services provider posted earnings that easily beat analysts' forecasts. It also raised its outlook.
Etsy Inc., up 32 cents to $16.22
The company disclosed that its CEO, Josh Silverman, bought 64,000 shares of Etsy stock.
Seagate Technology PLC, up 74 cents to $32.29
Investor ValueAct disclosed that it had acquired a 7.2 percent stake in the company.
Bottomline Technologies Inc., up $2.06 to $29.98
The payment and invoice service provider reported earnings that easily beat Wall Street's estimates.
The Trade Desk Inc., up $4.39 to $54.45
The digital-advertising platform operator's earnings and revenue came in well ahead of what analysts were expecting.
Nvidia Corp., down $8.78 to $155.96
The maker of graphics chips posted earnings that beat expectations, but investors were concerned about slowing growth in its data center business.