News roundup: Appliance and electronics retailer h.h.gregg opening B.R. store … N.O. firm buys shallow-water Gulf assets for $550M … Apple: iPhone 5 preorders top 2M in 24 hours

Baton Rouge bound: Indianapolis-based appliance and electronics leader h.h.gregg announced this morning that it will open a store in the Mall of Louisiana at an undetermined date this fall. The retail…