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

NYSE

Walgreen Co. (WAG), down $1.05 at $40.72

The Deerfield, Ill.-based drugstore chain said that sales from stores open at least a year fell 0.6 percent in February.

Nautilus Inc. (NLS), up 73 cents at $6.69

The fitness equipment maker posted strong fourth-quarter results, saying that earnings more than quadrupled to $13.6 million.

NASDAQ

Google Inc. (GOOG), up $17.10 at $838.60

A Jefferies analyst reiterated his "Buy" rating on the Internet search company and said that its stock price might reach $1,000.

Sears Holdings Corp. (SHLD), up $2.46 at $46.63

The retailer's chairman and CEO, Edward Lampert, disclosed that he bought another 1.24 million shares of the company's common stock.

Zoltek Cos. Inc. (ZOLT), up $1.27 at $10.52

A group of investors disclosed a minority stake in the carbon fiber maker and requested a shareholder meeting to oust the company board.

Cree Inc. (CREE), up $6.44 at $51.16

The maker of light-emitting diode products introduced a new LED bulb and expects higher third-quarter revenue and net income.

Acura Pharmaceuticals Inc. (ACUR), up 99 cents at $3.04

Kerr Drug store chain will carry Acura's drug Nexafed, a decongestant that is designed to be difficult to make into methamphetamine.

Dyax Corp. (DYAX), up 64 cents at $3.91

A Jefferies analyst initiated coverage of the biopharmaceutical company with a "Buy" rating, citing its long-term sales growth.