Another day, another multibillion-dollar merger... Wall Street's 2004 push toward consolidation reprised itself again early Friday, and once again the latest corporate megadeal had multiple Las Vegas connections. General Growth Properties' 12.6 billion USD bid for The Rouse Co. would give the 50-year-old mall developer control of four of this city's largest and most successful shopping centers, as well as the rights to build two more in ultra-prime Southern Nevada locations.