BUSINESS

Twitter and Amgen are big market movers

Staff Writer
Columbus CEO

NEW YORK (AP) — Stocks that moved substantially or traded heavily Tuesday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Twitter Inc., down $4.78 to $43.78

The social media company reported quarterly financial results that raised concerns about its user growth and holiday-quarter revenue.

Regal Entertainment Group, up 77 cents to $21.28

The movie theater operator's board of directors is considering a potential sale and retained Morgan Stanley as its adviser.

Sanofi, down $4.75 to $48.07

The French drugmaker reported a slide in quarterly earnings and warned of pricing pressure on its blockbuster diabetes treatment.

Kohl's Corp., down $3.89 to $54.66

The retailer expects profit for the year to be at the low end of its forecast, partly due to a slowdown in sales during the third quarter.

Nasdaq

Amgen Inc., up $8.99 to $157.19

The biotechnology company reported better-than-expected quarterly financial results, and it raised its annual profit and revenue guidance.

Madison Square Garden Co., up $7.21 to $72.99

The owner of the New York Knicks and Radio City Music Hall is considering a plan to split off its entertainment businesses from its media and sports divisions.

Receptos Inc., up $28.02 to $95.76

The biotechnology company reported positive midstage results for its potential ulcerative colitis drug.

Amkor Technology Inc., down $1.16 to $6.33

The technology services company reported worse-than-expected quarterly profit and revenue results, and issued a weak financial forecast.