Carrizo Oil & Gas Inc CRZO reported fourth-quarter results Monday that prompted KeyBanc Capital Markets to "dramatically" lower its estimates and outlook for the Houston-based energy name. The Analyst KeyBanc's Chris Stevens downgraded Carrizo Oil & Gas' stock rating from Overweight to Sector Weight with no assigned price target. SourceWe can expect a breakout and some upside. However, it's better to wait for more signals. $CRZO, Carrizo Oil & Gas, Inc. / D