NEW YORK - The following stocks were among those that moved substantially or traded heavily Tuesday on the New York Stock Exchange:

NYSE:

Boston Scientific Corp., down $1.59 at $8.57

The medical device maker forecast disappointing earnings on slower sales of its implants, prompting an analyst to downgrade its stock.

Caterpillar Inc., up $1.76 at $59.61

The companys thid-quarter profit dropped 53 percent as dealers continue to chip away at stockpiles rather than placing new orders.

MGM Mirage, up 13 cents at $11.93

Billionaire investor Kirk Kerkorian said he is considering cutting his stake in the struggling casino company.

MPS Group Inc., up $2.37 at $13.51

Staffing firm Adecco SA has offered $1.17 billion to buy Florida-based MPS Group, one of the largest U.S. temporary staffers.

UnitedHealth Group Inc., up $1.04 at $25.96

The managed care company saw its third-quarter profit jump as growth in several businesses helped balance another enrollment decline.

Bank of New York Mellon Corp., up $1.67 at $28.90

The bank took a hefty charge in the third quarter to restructure its investment portfolio, resulting in a loss of nearly $2.5 billion.

NASDAQ:

UAL Corp., up 64 cents at $7.90

The United Airlines parent reported a money-losing third quarter but said it sees signs business travel could pick up soon.

Apple Inc., up $8.90 at $198.76

Apple updated its iMac line and introduced a mouse that responds to the touch of fingers instead of using buttons or scroll wheels.

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