Stocks that moved substantially or traded heavily Friday:
Adtran Inc., down $2.90 to $19.35
The networking equipment maker gave weak revenue forecasts because a major customer is spending less.
Bonanza Creek Energy Inc., down $2.06 to $27.59
SandRidge Energy won't buy Bonanza Creek after opposition from shareholders including Carl Icahn.
Goldman Sachs Group Inc., down $1.74 to $254.76
The financial firm said the newly-passed U.S. tax package will reduce its 2017 earnings by about $5 billion.
Progenics Pharmaceuticals Inc., up 10 cents to $5.95
The company said regulators will conduct a faster review its cancer drug Azedra, and disclosed positive data from a study.
Atara Biotherapeutics Inc., up $2.85 to $18.10
The drug developer said regulators will allow it to start two clinical trials of an immune disorder therapy.
TiVo Corp., up $1.60 to $15.60
TheStreet.com reported that private equity firms are interested in buying the digital video recording company for at least $20 a share.
PepsiCo Inc., up 57 cents to $119.92
Companies that make food, drinks and household goods did better than the rest of the market on Friday.
Hess Corp., down 89 cents to $47.47
Energy companies finished the year with more losses.