Stocks were holding on to small gains on Tuesday even after weaker sentiment was reported out of Europe. It looks as though investors have decided they can now shop around for stocks that have pulled back. Each morning of the week, 24/7 Wall St. reviews many analyst research reports to find new investment and trading ideas. Some of these research reports feature stocks to buy, and others feature stocks to sell or stocks to avoid.

These are this Tuesday’s top analyst upgrades, downgrades and initiations from Wall Street analysts.

AECOM Technology Corp. (NYSE: ACM) was already at Buy, but the engineering and infrastructure support company was added to the US 1 list at BofA Merrill Lynch.

Intercept Pharmaceuticals Inc. (NASDAQ: ICPT) shares surged some 50% higher following its Flint trial results. The stock was in our after-hours most active stocks as well. Intercept was raised to Outperform from Market Perform at Leerink.

Kinder Morgan Inc. (NYSE: KMI) was raised to Buy from Neutral at BofA Merrill Lynch later on Monday after its consolidation move. Credit Suisse raised its price target to $49 from $41 on Tuesday morning.

Rackspace Hosting Inc. (NYSE: RAX) was reiterated as Neutral with a $35 price target at BofA Merrill Lynch. Canaccord Genuity maintained its Hold rating.

Sunedison, Inc. (NYSE: SUNE) was started with a Buy rating and was assigned a $28 price target (versus the $21.65 Monday close) at Goldman Sachs.

Actavis plc (NYSE: ACT) was reiterated as Buy with a target price of $255 (versus a $202.72 Monday close) at Argus. The analysts maintain that the recent weakness has presented an attractive buying opportunity.