• An Israeli financial newspaper reported IBM (NYSE:IBM) may announce the purchase of database security start-up Guardian for $225 million

• Goldman Sachs (NYSE:GS) upgraded steel companies, and placed a “buy” rating on US Steel (NYSE:X) with a price target of $54

• Deere (NYSE:DE) was upgraded by both Wells Fargo (NYSE:WFC) and JP Morgan (NYSE:JPM)

• Bernstein downgraded Chinese Internet firm Baidu (NASDAQ:BIDU)

• FBR upgraded HSBC (NYSE:HBC) to “outperform”

• Piper Jaffray (NYSE:PJC) reiterated its “overweight” rating on Amazon.com (NASDAQ:AMZN) and a price target of $163

• Goldman Sachs (NYSE:GS) removed Freeport McMoRan (NYSE:FCX) from its Conviction Buy List

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