Citigroup, MBIA, Apple, Brooks Automation among big market movers Tuesday

Citigroup, MBIA, Apple among big movers

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

NYSE

Citigroup Inc., up 19 cents at $4.30

The bank will sell its private equity units and the management of certain funds as it reduces its noncore divisions and riskier assets.

MBIA Inc., up 74 cents at $7.17

A top fund manager, Bruce Berkowitz, said he owned an 11 percent stake in the bond insurer, or 22.7 million shares.

Ivanhoe Mines Ltd., up $2.02 at $16.45

The company stepped up its battle with major shareholder Rio Tinto PLC with plans to kill a measure that limits it from adding investors.

NASDAQ

Brooks Automation Inc., up $1.01 at $9.03

The chip equipment maker expects fiscal third and fourth-quarter results to surpass Wall Street’s expectations.

ADC Telecommunications Inc., up $3.67 at $12.52

Tyco Electronics Ltd. plans to acquire the networking equipment maker for $12.75 a share, a hefty premium over Monday’s closing price.

VIVUS Inc., up $1.79 at $12.44

The FDA said the company’s experimental drug helped people lose weight, bringing it closer to approval.

Apple Inc., down $5.49 at $251.80

Consumer Reports magazine did not recommend the cmopany’s latest iPhone because of antenna reception problems.

Amedisys Inc., down $8.45 at $26.57

An analyst downgraded the home health care provider because of a weak outlook and government scrutiny of its Medicare billing practices.