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