Notable Analyst Rating Changes 12/24: (CHK) (OVAS) (REI) Upgraded; (GDP) (FET) (MMM) Downgraded - InvestingChannel

Notable Analyst Rating Changes 12/24: (CHK) (OVAS) (REI) Upgraded; (GDP) (FET) (MMM) Downgraded

UPGRADES
CapitalOne upgrades Chesapeake Energy (NYSE: CHK) from Underweight to Equal-weight.

Oppenheimer moves OvaScience (Nasdaq: OVAS) from Perform to Outperform with a price target of $55.

CapitalOne raises Ring Energy, Inc. (NYSE: REI) from Equal-Weight to Overweight.

For daily real-time Upgrades go to http://www.streetinsider.com/Upgrades

DOWNGRADES
CapitalOne chops Goodrich Petroleum (NYSE: GDP) from Overweight to Equal-weight.

Iberia Capital cuts Forum Energy Technologies (NYSE: FET) from Outperform to Sector Perform.

Langenberg drops 3M (NYSE: MMM) from Buy to Hold.

CapitalOne downgrades Oasis Petroleum (NYSE: OAS) from Overweight to Equal-weight.

For daily real-time Downgrades go to http://www.streetinsider.com/downgrades

NEW COVERAGE
MLV & Co. starts Halozyme