Merck, Spirit Airlines, T-Mobile, Conn's and Abercrombie & Fitch are big market movers

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

NYSE

Merck & Co., down $1.87 to $60.01

The pharmaceutical company remains committed to its buyout of Cubist, despite several of that company's patents being invalidated.

T-Mobile US Inc., down $2.35 to $25.85

The mobile communications services company is publicly offering 17.4 million shares of mandatory convertible preferred stock.

Verizon Communications Inc., down $1.98 to $46.92

Nasdaq

Spirit Airlines Inc. down $10.70 to $73.77

The low-fare carrier gave a disappointing profit outlook and said that airlines may be reducing fares because of lower fuel prices.

Bluebird Bio Inc., up $35.39 to $84.28

The biotechnology company reported potentially positive data from its developing treatment for a blood disorder.

The retailer reported worse-than-expected financial results, withdrew its 2015 outlook and its chief financial officer resigned.

Abercrombie & Fitch Co., up $2.11 to $28.46

The teen-clothing chain's longtime CEO Michael Jeffries is retiring as the company continues to deal with declining sales.

Cubist Pharmaceuticals Inc., down $4.77 to $95.83