Zep, Rite Aid, Emerge, Perrigo and Regulus are big market movers

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


Zep Inc., up $3.28 to $20.37

The maker of cleaning chemicals will be taken private in a $692 million sale to private equity firm New Mountain Capital.

Rite Aid Corp., up 18 cents to $8.87

The drugstore chain posted quarterly profit and revenue that topped Wall Street expecations.

Emerge Energy Services LP, down $1.42 to $50.24

The energy industry services company will no longer pursue construction of a silica sand processing facility in Wisconsin.

Triumph Group Inc., up $5.07 to $65.06

The aircraft structures and components company announced that Richard C. Ill replaced Jeffry D. Frisby as president and CEO.

Perrigo Co., up $30.29 to $195

Mylan offered to buy the rival drugmaker for almost $29 billion in a deal that would create one of the world's largest makers of generic and over-the-counter medicines.


Regulus Therapeutics Inc., up $1.99 to $17.94

The biotechnology company said AstraZeneca selected one of its products for development as part of a partnership.

Second Sight Medical Products Inc., up $1.38 to $14

The maker of implantable visual prosthetics said it successfully implanted a mechanical model of potential prosthetic in an animal study.

JD.com Inc., up $1.66 to $32.66

The Chinese online marketplace said clothing and apparel company UNIQLO will open a flagship store on its marketplace platform.