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For those reasons, we believe a rating alone cannot tell the whole story, and that it should be part of an investor's overall research.
The following ratings changes were generated on July 30.
Nobel Learning Communities
, which operates a network of private schools, has been upgraded to buy. Since the same quarter last year, its revenue increased slightly by 8%, outpacing the industry average. EPS has improved by 26% in the most-recent quarter compared with one year ago. Net income also increased, rising 0.5%, which is below the industry average but still outpacing the
. Nobel Learning had been rated hold since May 8.