The improvement in the index may indicate the labor market is tightening, which could encourage the Fed to raise interest rates.
Latest data from Markit show a rebound from June's five-month low but positive economic sentiment fell for the second month in a row.
Thirty-eight percent of CFOs identified health care as their biggest concern, followed by increased competition and skilled-labor shortages.
Personal consumption expenditures rose 2.9% last quarter, keeping the U.S. economy's moderate recovery on track.
Health care will be almost 20% of U.S. GDP by 2024, according to a group of government actuaries.
But experts think the rate is close to bottoming out.
Operating profit totaled nearly $2.6 billion in North America, a company record for any quarter.
The business of financing capital spending grew 6.7% last year, down from 9.3% in 2013.
Many companies are back to the habit of holding on tightly to their cash reserves. Is a softening in business confidence to blame?