RATINGS CHANGES

Costco Wholesale (COST) - Get Report was initiated with a market perform rating at Wells Fargo. It's a valuation call, as the stock is already trading at more than 24 times earnings over the next 12 months, Wells said. 

Cypress Semiconductor (CY) - Get Report was downgraded to equal-weight at Barclays. $11 price target. The valuation is less attractive, as takeover speculation has outpaced fundamental strength Wells said. 

Fortune Brands (FBHS) - Get Report was downgraded from overweight to sector weight at Keybanc. The industry is seeing slowing secular tailwinds, Keybanc said. 

Intel (INTC) - Get Report was upgraded to overweight at Barclays. $45 price target. The company is attractively valued and is leveraged to better PC trends, Barclays said. 

Lannett (LCI) - Get Report was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: LCI.

Packaging Corp. (PKG) - Get Report was upgraded to buy from neutral at Bank of America/Merrill Lynch. $92 price target. The company is attractively valued and has multiple potential catalysts, analysts said. 

Prudential (PRU) - Get Report was downgraded to market perform from outperform at FBR Capital Markets. The valuation is less attractive, based on an $86 price target. 

Yahoo! (YHOO) was downgraded to hold from buy at Needham. $40 price target. Verizon could walk away from the deal or cut its offer price, because of the hacking event, Needham said. 

This article was written by a staff member of TheStreet.