Aegion (AEGN) - Get Report was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: AEGN.

Greif (GEF) - Get Report was downgraded to underperform from market perform at BMO Capital. $48 price target. The valuation is less attractive, as the stock has more than doubled from its lows earlier this year, BMO said. 

Las Vegas Sands (LVS) - Get Report was initiated with a buy rating at Aegis Capital. $60 price target. New Parisian casino should ramp up quickly and the company sports an attractive dividend yield, Aegis said. 

Red Hat (RHT) - Get Report was downgraded to market perform from outperform at BMO Capital. $75 price target. Earnings estimates were also cut, given a lower outlook for billings growth, BMO said. 

This article was written by a staff member of TheStreet.