RATINGS CHANGES

Bluebird Bio (BLUE) - Get Report was upgraded to outperform and assigned a $108 price target at BMO.

Cognizant (CTSH) - Get Report was downgraded to hold and assigned a $74 price target at Societe Generale.

Gardner Denver (GDI) - Get Report was initiated with a buy rating and $27 price target at Stifel.

Gardner Denver was also initiated with an overweight rating and $27 price target at Piper Jaffray.

Hormel (HRL) - Get Report was initiated with an overweight rating and $38 price target at Barclays.

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

Sanderson Farms (SAFM) - Get Report was initiated with an equal-weight rating and $125 price target at Barclays.

Tenet Healthcare (THC) - Get Report was upgraded to outperform and assigned a $21.50 price target at Wells Fargo.

Tyson Foods (TSN) - Get Report was initiated with an overweight rating and $70 price target at Barclays.

This article was written by a staff member of TheStreet.