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

NYSE

Associates First Capital Corp., up $10.5 at $38.5

Citigroup, down $3.02 to $54.92

Citigroup said it has agreed to pay $31.1 billion in stock to acquire Associates First Capital Corp. The deal gives Citigroup control of the largest publicly traded finance company in the United States and the fifth largest consumer finance company in Japan.

Micron Technology, down $9.5 to $68.75

The company's shares fell after Donald, Lufkin & Jenrette downgraded its stock from ``buy'' to ``underperform,'' citing concerns about weak pricing and oversupply.

Trinity Industries, up $1.13 at $21.94

The company's shares increased after financier Carl Icahn expressed interest in purchasing $15 million worth of stock.

NASDAQ

Intel Corp., down $3.55 at $65.70

The company's stock continued to slip Wednesday, a day after an analyst at U.S. Bancorp Piper Jaffray downgraded the stock from ``strong buy'' to ``buy.''

ETrade Group, up 31.2 cents to $18.38

The stock moved up Wednesday after a UBS Warburg analyst rated it a ``buy.''

WorldCom, down $2.25 at $31.50

The stock moved down after two analysts' downgraded the stock. A Lehman Brothers analyst cut his rating from ``outperform'' from ``buy,'' citing concerns about its local phone business. A Wachovia Securities analyst downgraded the stock to long-term ``buy'' from ``strong buy.''