Lumber Liquidators, Kraft, Lexmark, Apollo Education and Francesca's are big market movers

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

NYSE

Lumber Liquidators Holdings Inc., up $3.03 to $31.86

The U.S. Consumer Product Safety Commission is investigating the safety of the company's laminate flooring made in China.

Lexmark International Inc., up $2.48 to $43.27

The printer maker will buy software developer Kofax Ltd. for about $1 billion, doubling the size of its software business.

EnLink Midstream Partners LP, down $2.42 to $24.50

The energy company priced an offering of stock sold by a Devon Energy unit at $25.71 apiece, below the prior day's closing price.

Nasdaq

Kraft Foods Group Inc., up $21.85 to $83.17

H.J. Heinz is the buying maker of Cheez Wiz, Jell-O and Velveeta, creating one of the world's largest food and beverage companies.

Apollo Education Group Inc., down $7.95 to $20.04

The for-profit education company said student enrollment fell at its flagship University of Phoenix and offered a disappointing revenue outlook.

Francesca's Holdings Corp., down 91 cents to $15.93

The clothing retailer reported better-than-expected fourth-quarter results but provided an outlook below forecasts.

Mondelez International Inc., up 80 cents to $35.81

Competitors Heinz and Kraft announced plans to merge, stirring speculation of further consolidation by food and beverage companies.

Stamps.com Inc., up $9.48 to $67.78

The Internet-based postage company will buy Newell Rubbermaid Inc.'s shipping technologies unit Endicia for $215 million in cash.