CHANGE IN RATINGSArvinMeritor ( ARM) was upgraded from Underperform to Outperform at Bear Stearns. Stock has 26% upside over the next 18 months, as the company re-makes itself. Recovery could be similar to Navistar. Cohen & Steers ( CNS) was upgraded at UBS to Buy from Neutral due to strong underlying growth drivers. Raised target price to $55 from $48. Carter's ( CRI) downgraded at Credit Suisse to Neutral from Outperform based on valuation. Cites stock is up 32% since Q4. Maintained $28 stock price. Dover ( DOV) upgraded at Deutsche from Hold to Buy. $56 price target. Stock has underperformed its peers by 9% on the year, but business trends look solid outside of the Technologies division. Graco ( GGG) was downgraded to Market Perform at Friedman, Billings Ramsey. Estimates also cut, as the company remains leveraged to a slowdown in US housing. $43 price target. Goldman is upgrading Corning ( GLW - Get Report) to Buy from Neutral based on continuing top-line growth and expectations for margin expansion. Despite 25% gain this year, see successful pricing strategy and strong demand for optical fiber. Target price raised to $31 from $26. Panera Bread ( PNRA) was downgraded from Outperform to Market Perform at Friedman, Billings Ramsey. Company's guidance looks too optimistic for the second half of the year, as cost pressures continue to linger. $65 price target.