NEW YORK (AP) _ Stocks that were moving substantially or trading heavily Monday on the New York Stock Exchange and Nasdaq Stock Market.

NYSE

Celera Genomics Group, up $6.15 at $47.75

Scientific magazines are publishing Celera's version of the human genetic code, as well as a similar one developed by a government-led consortium.

Zale Corp., down $2.63 at $32.67

The jewelry retailer said its chairman and chief executive has resigned, and it will delay the release of its latest quarterly financial results.

EMC Corp., down $2.24 at $54.16

The data storage company quietly fired several hundred employees last week, The Wall Street Journal said, calling the action one of the company's biggest across-the-board cuts in years. EMC employs 24,000 workers.

NASDAQ

Emulex Corp., down $37.13 at $40.38

U.S. Bancorp Piper Jaffray lowered its investment rating on the Costa Mesa, Calif., maker of telecommunications fiber channel equipment on lowered first-quarter earnings estimates.

QLogic Corp., down $15.56 at $54.81

This maker of integrated circuit controllers from the Los Angeles area was downgraded by U.S. Bancorp Piper Jaffray.

Sema PLC, up $2.06 at $16.06

U.S. energy services company Schlumberger Ltd. is buying the British information technology services concern Sema PLC for $5.2 billion.