RIO TINTO (RIO $57.85, rating Lowered to UNDERWEIGHT FROM OVERWEIGHT; PRICE TARGET LOWERED FROM $60/share TO $52/share) LOWERED TO UNDERWEIGHT AS A RESULT OF LOWER ESTIMATED LME ALUMINUM PRICES, REDUCED ESTIMATED IRON ORE OUTPUT, and RECENT STOCK PRICE APPRECIATION 1/23/2012

PACKAGING CORPORATION OF AMERICA (PKG $27.90, rated Overweight, Price Target $34) LOWER CAPITAL SPENDING AND IMPACT OF COST SAVING INITIATIVES WILL HELP TO OFFSET POOR PRICING AND LOWER EXPORTS IN THE FIRST HALF OF 2012  1/25/2012