Meanwhile, S & P 500 companies are spending more and more on capital expenditures (CapEx). Certainly, some companies execute wise buybacks, while others are not as ideal. Humana repurchased $529 million worth of common stock in the second quarter, after spending only $4 million in the year-ago period. Of course, companies also must consider their spending on buybacks versus investments back in the business in order to support growth, such as new manufacturing equipment or data centers. But less spending on buybacks is not necessarily something to worry about.

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