USANA added to S&P SmallCap 600

Standard & Poor's Announces Change to U.S. Index - NEW YORK, July 28 /PRNewswire/ -- USANA Health Sciences Inc. (NASD: USNA - News) will replace CUNO Inc. (NASD: CUNO - News) in the S&P SmallCap 600 after the close of trading on Tuesday, August 2.