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Cboe Global Markets Inc (NASDAQ:CBOE) (MarketWatch)
Shares of CBOE Global Markets Inc. CBOE, -6.07% tumbled 5.5% in premarket trade Friday, after the futures and trading exchange holding company reported fourth-quarter profit and revenue that missed expectations. Net income rose to $254.6 million, or $2.26 a share, from $44.7 million, or 55 cents a share, in the same period a year ago. Excluding non-recurring items, such as a one-time $191.5 million benefit from the recent tax legislation, adjusted earnings per share came to 87 cents, below the FactSet consensus of 88 cents. Total net revenue rose to $265.6 million from $143.0 million, but missed the FactSet consensus of $267.0 million.

Lionsgate Entertainment (NYSE:LGF-A) (NYSE:LGF-B) (The Motlety Fool)
What happened: Shares of Lionsgate Entertainment (NYSE:LGF-A) (NYSE:LGF-B) fell hard on Friday morning. Class A shares — the ones with voting power — plunged as much as 16.6%, while the non-voting Class B shares bottomed out with a 15.3% drop. As of noon EST, both stocks were trading approximately 13% lower for the day. That was the market’s response to a solid third-quarter report. So what: Yes, you read that right. Adjusted to account for the merger with premium cable TV giant Starz partway through the year-ago quarter, Lionsgate’s top-line sales grew 8% year over year to land at $1.14 billion.

Pieris Pharmaceuticals Inc (NASDAQ:PIRS) (Benzinga)
Pieris Pharmaceuticals Inc climbed 13.4 percent to $8.11 after Seattle Genetics reported a multi-program immuno-oncology collaboration deal with Pieris Pharma.

Equifax Inc. (NYSE:EFX) (CNBC)
Shares of Equifax dove Friday after a newspaper said the credit rating company’s data breach last year was worse than reported. The stock was down 4.5 percent in early afternoon trading and are down 6.5 percent this year. Equifax disclosed in September that personal information for 145.5 million consumers had been hacked from its computer systems over the summer, including names, Social Security numbers, birthdates and addresses.