The

Dow Jones Industrial Average

(

^DJI

) is trading up 91 points (+0.7%) at 12,545 as of Tuesday, May 29, 2012, 11:35 a.m. ET. During this time, 208 million shares of the 30 Dow components have changed hands vs. an average daily trading volume of 728.1 million. The NYSE advances/declines ratio sits at 2,214 issues advancing vs. 697 declining with 112 unchanged.

The Dow component leading the way higher looks to be

Caterpillar

(NYSE:

CAT

), which is sporting a $3.45 gain (+3.8%) bringing the stock to $93.39. This single gain is lifting the Dow Jones Industrial Average by 26.11 points or roughly accounting for 28.7% of the Dow's overall gain. Volume for Caterpillar currently sits at 4.1 million shares traded vs. an average daily trading volume of 6.7 million shares.

Caterpillar has a market cap of $58.69 billion and is part of the

conglomerates

sector and

conglomerates

industry. Shares are down 0.7% year to date as of Friday's close. The stock's dividend yield sits at 2%.

Caterpillar Inc. manufactures and sells construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives worldwide. The company has a P/E ratio of 11.3, equal to the average conglomerates industry P/E ratio and below the S&P 500 P/E ratio of 17.7.

TheStreet Ratings rates Caterpillar as a

buy

. The company's strengths can be seen in multiple areas, such as its robust revenue growth, notable return on equity, impressive record of earnings per share growth and compelling growth in net income. We feel these strengths outweigh the fact that the company has had generally poor debt management on most measures that we evaluated.

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