Caterpillar, Exelixis, Crocs Are Big Market Movers

NEW YORK (AP) â¿¿ Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:

NYSE

Caterpillar Inc., up $4.38 at $91.77

Stronger demand for its construction and mining equipment helped the company report double-digit growth in its third-quarter earnings.

HealthSpring Inc., up $13.55 at $53.71

Health insurer Cigna Corp. is buying rival HealthSpring in a $3.8 billion deal, helping it boost its Medicare Advantage business.

Peabody Energy Corp., up $2.05 at $40.94

The coal company and steelmaker ArcelorMittal acquired a controlling interest in pulverized coal producer Macarthur Coal.

Arrow Electronics Inc., up $1.29 at $33.87

The electronics and computer components supplier said that it is planning to repurchase up to $150 million of its stock.

Nasdaq

Rightnow Technologies Inc., up $6.98 at $42.94

Software company Oracle will buy the tech service provider for $1.5 billion to help businesses better manage their customer service.

Crocs Inc., up $1.76 at $17.01

A Sterne Agee analyst reiterated his "Buy" rating on the footwear maker's stock, saying there's still demand for its new styles.

Exelixis Inc., up $1.45 at $7.44

A trial of the biotechnology company's experimental drug found that it increased survival time of patients with thyroid cancer.

Affymax Inc., up 17 cents at $5.28

The biotech drugmaker said that the Food and Drug Administration has scheduled a meeting to review its experimental anemia drug.

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