United Technologies, Dealertrack, Standard Pacific and RedHill are big market movers

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

United Technologies Corp., down $2.99 to $114.61

The conglomerate is shedding helicopter maker Sikorsky and will focus on high-technology products for the aerospace industry.

Standard Pacific Corp., up 47 cents to $8.83

The homebuilder will merge with rival Ryland Group Inc. in an all-stock deal that would form a company worth about $5.2 billion.

National Bank of Greece, down 13 cents to $1.15

Greece moved closer to defaulting on loans after weekend talks with creditors failed to produce a breakthrough in negotiations.

Target Corp., up 98 cents to $80.45

The retailer is selling its pharmacy and clinic business unit to drugstore chain operator CVS Health for about $1.9 billion.

Nasdaq

iDreamSky Technology Ltd., down $1.43 to $13.13

The Chinese mobile games licensing company received an offer to be taken private by its Chairman and CEO Michael Xiangyu.

Dealertrack Technologies Inc., up $23.13 to $62.98

Digital marketing company Cox Automotive is buying the maker of software used by automotive dealerships for about $4 billion.

RedHill Biopharma Ltd., up $2.61 to $19.07

The biotechnology company's treatment for H. pylori bacterial infections met its key goals in a late-stage study.

AirMedia Group Inc., down $1.29 to $5.97

The Chinese advertising-platforms company is selling a 75 percent stake in its advertising business for more than $338 million.