NEW YORK ( TheStreet) -- CHANGE IN RATINGS Andatee China Marine Fuel Services ( AMCF) was downgraded to Sell at TheStreet Ratings. Ball ( BLL) was downgraded at Credit Suisse from Outperform to Neutral. Valuation call, based on a $45 price target, Credit Suisse said. Caterpillar ( CAT) was upgraded at Bank of America/Merrill Lynch from Neutral to Buy. $135 price target. Company has solid fundamentals and trades at an attractive valuation, BofA/Merrill said. Esterline Technologies ( ESL) was upgraded at Credit Suisse from Neutral to Outperform. $81 price target. Estimates were also boosted, as the company is realizing higher margins, Credit Suisse said. Home Depot ( HD) was upgraded at Piper Jaffray from Neutral to Overweight. $62 price target. Comp sales and earnings growth should accelerate with the current remodeling cycle, Piper said. Infosys ( INFY) was downgraded from Overweight to Neutral at HSBC. Company is not performing well and may be losing market share, HSBC said. Janus Capital Group ( JNS) was upgraded at Citigroup to Neutral from Sell. $8 price target. Sharply higher EPS prospects given strong YTD markets, Citigroup said. Linear Technology ( LLTC) was upgraded at Nomura from Neutral to Buy. $35 price target. Company is a quality name trading at an attractive valuation, Nomura said. Lowe's ( LOW) was upgraded at Piper Jaffray from Neutral to Overweight. $41 price target. Company is leveraged to a favorable remodel cycle, Piper said. PPG Industries ( PPG) was upgraded to Buy from Hold at Citigroup. $114 price target. Coating and natural gas exposure will propel the shares forward, Citi said. UMH Properties ( UMH) was upgraded to Buy at TheStreet Ratings. Waddell & Reed ( WDR) was upgraded at Citigroup to Neutral from Sell. $30 price target. Sharply higher EPS prospects given strong YTD markets, Citi said.