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

NYSE:

Discover Financial Services, down $1.13 at $9.37

An analyst said the credit card lender's $500 million stock offering, which may go to repay bailout funds, could hit profit per share.

KeyCorp, up 21 cents at $5.29

An analyst upgraded the Cleveland-based bank on the strength of its capital position compared to the country's other largest banks.

American International Group Inc., down $2.44 at $13.75

A week after the insurer's rare 20-for-1 reverse stock split, shares continued to dive amid disclosures of possible further losses.


Aetna Inc., up $1.53 at $25.94

An analyst said the White House had signaled that it could be open to negotiations on a more industry-friendly public insurance option.

Weyerhaeuser Co., down $2.13 at $27.86

For the second time in seventh months, the timber company slashed its quarterly dividend _ now at 5 cents _ as it worked to cut costs.

Jones Apparel Group Inc., up 15 cents at $9.68

Goldman Sachs upgraded the clothing maker to a "Buy," saying the drop in sales in stores open at least a year should moderate.

Greenbrier Cos., down 61 cents at $6.31

The railcar manufacturer posted a loss in its third quarter as new deliveries sank amid a contract dispute with General Electric Co.

NASDAQ:

Hansen Medical Inc., down $1.58 at $3.15

The medical devices maker's shares plunged a day after it said second quarter sales would be far short of Wall Street expectations.