Morning Market Gainers

AGL Resources Inc. GAS shares surged 28.94 percent to $61.71 after Southern Co SO announced its plans to acquire AGL Resources in a $12 billion deal. EP Energy Corp EPE shares jumped 15.69 percent to $7.08. Bill Barrett Corporation BBG shares climbed 13.78 percent to $5.12. Tuesday Morning Corporation TUES shares gained 3.14 percent to $6.10. Stifel Nicolaus upgraded Tuesday Morning from Hold to Buy and announced a price target of $9.00.