24/7 Wall St.

Investors and traders are often looking for fresh research ideas that will lead to higher income or more profits. 24/7 Wall St. reviews many fresh research calls to find great ideas from value stocks to growth stocks to dividend stocks. We have broken out the positive analyst calls as far as stocks to buy and positive research calls, and these are some of this Tuesday’s top analyst upgrades, initiations and positive analyst research calls seen from Wall Street.

AllScripts Healthcare Solutions Inc. (NASDAQ: MDRX) was raised to Buy from Neutral at Citigroup.

Copa Holdings S.A. (NYSE: CPA) was raised to Buy from Hold at Deutsche Bank.

Dean Foods Co. (NYSE: DF) was raised to Buy from Neutral at Janney.

Emulex Corp. (NYSE: ELX) was raised to Neutral from Sell at Goldman Sachs.

Fusion-io Inc. (NYSE: FIO) was raised to Buy from Neutral by UBS.

Kroger Co. (NYSE: KR) was maintained Outperform and the target price was raised to $38 from $33 by Credit Suisse.

Merrill Lynch issued its top list of high dividend large cap pharma stocks to buy.

Nationstar Mortgage Holdings Inc. (NYSE: NSM) was named Bull of the Day with solid growth potential and appropriate for all portfolios by Zacks Investment Research.

Read also: Analysts Pick Four Stocks to Double in Last Week

UBS has issued its list of semiconductor stocks to buy.

WellPoint Inc. (NYSE: WLP) was raised to Buy from Hold at Jefferies.

Yahoo! Inc. (NASDAQ: YHOO) was maintained on the Conviction Buy List and the price target was raised to $30 from $27 by Goldman Sachs.

Read also: Today’s Top Analyst Downgrades and Cautious Research Calls

Blackhawk Network Holdings Inc. (NASDAQ: HAWK) saw its quiet period come to an end and brokerage firms from the underwriting syndicate have initiated coverage: started as Buy at Deutsche Bank started as Buy at Goldman Sachs started as Outperform at Wells Fargo, started as Overweight at Piper Jaffray, started as Outperform at Raymond James and started as Neutral at Citigroup and at Bank of America/Merrill Lynch.

Oppenheimer strategist raised the firm’s 2013 year-end price S&P 500 targets on Monday to 1,730 for the index and $109.00 for the total earnings per share estimate.