The Associated Press

NEW YORK (AP) ¿ The following stocks were among those that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE:

Exxon Mobil, down $3.14 at $69.69

Exxon Mobil will buy XTO Energy in an all-stock deal worth $29 billion to capitalize on the growing supply of natural gas at home.

Citigroup Inc., down 25 cents at $3.70

Citigroup is repaying $20 billion in public bailout money, while the government also will sell its one-third stake in the company.

RadioShack Corp., up 77 cents at $20.25

An analyst raised his rating for the consumer electronics company on the addition of T-Mobile and a nationwide rollout of the iPhone.

Convergys Corp., down 40 cents at $10.64

Standard & Poor's said it will be dropping the outsourcing provider<s stock from the S&P 500 at the end of this week.

Invacare Corp., down 72 cents at $25.47

The home medical equipment company received a downgrade to "Hold" from "Buy" from a Stifel Nicolaus analyst.

NASDAQ:

Oracle Corp., up 53 cents at $23.31

European Union regulators looked closer to approving Oracle's takeover of Sun Microsystems Inc. after constructive discussions.

Charles Schwab Corp., down 68 cents at $17.75

The retail brokerage said daily trading volume dropped 27 percent in November from a year ago, further eroding falling revenue.

Trustmark Corp., up $1.03 at $21.30

An analyst upgraded the stock, saying the regional bank has cash for lucrative acquisitions after repaying federal bailout money.

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