S&P 500 Analyst Moves: MNK

The latest tally of analyst opinions from the major brokerage houses shows that among the components of the S&P 500 index, Mallinckrodt (MNK) is now the #52 analyst pick, moving up by 4 spots.         This rank is formed by averaging the analyst opinions for each component from each broker, and then ranking the 500 components by those average opinion values.