Updated from 11:09 a.m. EDT

Shares of

Caterpillar

(CAT) - Get Report

led all

Dow

gainers Tuesday after

Real Money

columnist Jim Cramer highlighted the stock on his "Mad Money" program on

CNBC

. Monday night, Cramer predicted a "monster quarter" from the tractor company, which reports Thursday. He also suggested the company could benefit longer-term from increased oil exploration, saying it's the only supplier of equipment big enough to get to shale oil. Caterpillar recently added $2.23 to $53.05.

Shares of

Steve Madden

(SHOO) - Get Report

were among the

Nasdaq's

winners Tuesday, rising 13% after the company previewed second-quarter results that easily topped Wall Street forecasts.

When the company reports its second quarter on Aug. 2, it expects earnings of 36 cents to 39 cents a share on sales of $100 million to $101 million. Analysts polled by Thomson First Call had been expecting earnings of 15 cents a share on sales of $86.2 million. Steve Madden also expects same-store sales growth of 13%. A year ago the company earned 28 cents a share on sales of $86.2 million.

Looking ahead, Steve Madden expects full-year earnings of 90 cents to 93 cents a share, up from previous guidance of 65 cents to 68 cents a share. Analysts are expecting earnings of 63 cents a share. Shares were recently trading up $2.53 to $21.73.

Travelzoo

(TZOO) - Get Report

fell 6% after the company posted second-quarter results that disappointed investors. The online travel-publishing firm reported earnings of $2.2 million, or 12 cents a share, on sales of $12.26 million. Results included a $153,000 charge. Analysts were expecting earnings of 16 cents a share on sales of $12.38 million. A year ago the company earned $1.3 million, or 8 cents a share, on sales of $7.2 million. Shares were trading down $1.83 to $29.71.

Shares of

Steel Dynamics

(STLD) - Get Report

fell 1% after the company reported second-quarter earnings that fell well short of expectations. The steel company earned $50.7 million, or $1 a share, on sales of $545.8 million. Analysts were expecting earnings of $1.13 a share on sales of $556.3 million. A year ago the company earned $67.3 million, or $1.20 a share, on sales of $525.7 million. "Demand for flat-rolled steel in the second quarter was much weaker than initially expected, particularly toward the end of the quarter," the company said. The weaker demand resulted in lower selling prices and a decrease in the spread between selling prices and cost of ferrous scrap consumed during the quarter, the company added. Shares were trading down 27 cents to $27.98.

AmSouth Bancorp

( ASO) rose 2% after the regional banking company reported second-quarter earnings that were better than expected. The bank reported earnings of $184.6 million, or 52 cents a share. Analysts were expecting earnings of 49 cents a share. A year ago the company earned $167 million, or 47 cents a share. AmSouth attributed the strong results to solid loan production and deposit growth, strong credit quality and expense control. Shares were trading up 65 cents to $27.82.

Shares of

Manpower

(MAN) - Get Report

rose 9% after the staffing company posted second-quarter earnings that beat expectations. The company earned $62.5 million, or 70 cents a share, on sales of $4.05 billion. Results were helped by positive foreign currency translation. On a constant currency basis, the company would have earned 68 cents a share during the quarter. Analysts were expecting earnings of 64 cents a share on sales of $4.06 billion. A year ago the company earned $53.1 million, or 56 cents a share, on sales of $3.6 billion. Looking ahead, Manpower forecast third-quarter earnings of 81 cents to 85 cents a share. Analysts are expecting earnings of 83 cents a share. Shares were trading up $3.93 to $46.32.

NYSE

volume leaders included

Lucent Technologies

( LU), down 9 cents to $3.04;

Citigroup

(C) - Get Report

, down 23 cents to $44.77;

Avon

(AVP) - Get Report

, down $3.80 to $32.80;

International Paper

(IP) - Get Report

, up $3.64 to $34.30;

Motorola

( MOT), up 20 cents to $19.66;

IBM

(IBM) - Get Report

, up $2.73 to $84.54; and

Charles Schwab

( SCH), up 63 cents to $14.

Nasdaq volume leaders included

Microsoft

(MSFT) - Get Report

, down 8 cents to $25.71;

Intel

(INTC) - Get Report

, down 6 cents to $28.24;

Cisco Systems

(CSCO) - Get Report

, down 11 cents to $19.78;

Host America

(CAFE)

, up $3.88 to $14.03;

Oracle

(ORCL) - Get Report

, down 7 cents to $13.97;

Sirius Satellite Radio

(SIRI) - Get Report

, up 11 cents to $6.91;

Yahoo!

(YHOO)

, up 97 cents to $37.55; and

Applied Materials

(AMAT) - Get Report

, up 32 cents to $17.54.