24/7 Wall St.

Investors and traders are on the hunt for fresh research ideas that will lead to higher income or more profits after the recent market volatility. 24/7 Wall St. reviews many fresh research calls each morning to find great ideas from value stocks to growth stocks to dividend stocks. We are breaking out the positive analyst calls as far as stocks to buy and positive research calls for Wednesday.

ARM Holdings PLC (NASDAQ: ARMH) was upgraded to Overweight from Neutral at Piper Jaffray, and it was also upgraded to Buy from Hold at Benchmark.

Adobe Systems Inc. (NASDAQ: ADBE) was upgraded to Buy from Hold at Jefferies.

Banco Bilbao Vizcaya Argentaria S.A. (NYSE: BBVA) was upgraded to Neutral from Sell at Citigroup.

Banco Santander S.A. (NYSE: SAN) was upgraded to Neutral from Sell at Citigroup.

Cepheid (NASDAQ: CPHD) was started as Outperform with a $41 price target at Oppenheimer.

Chipotle Mexican Grill Inc. (NYSE: CMG) was started as Buy with a $429 price target at Stern Agee.

Google Inc. (NASDAQ: GOOG) was started as Buy with a $1,050 price target at Janney Capital

Health Net Inc. (NYSE: HNT) was upgraded to Outperform from Neutral at Credit Suisse.

Read also: Jefferies Stocks to Buy After a 15% to 50% Sell-Off

Lam Research Corp. (NASDAQ: LRCX) was upgraded to Buy from Underperform at BofA/Merrill Lynch.

Pandora Media Inc. (NYSE: P) was upgraded to Outperform from Neutral with a $22 price target at Cowen.

Rackspace Hosting Inc. (NYSE: RAX) was upgraded to Outperform from Market Perform with a $47.50 valuation at Wells Fargo.