Complex sentence: In March 2007, Louisville Stoneware laid off most of its employees (38 out of 49), after which they retooled their visitor's center and temporarily opened a store at Oxmoor Center in St. Matthews, Kentucky.
Split into simpler sentences: In March 2007, Louisville Stoneware laid off most of its employees: 38 out of 49. AFter which, they retooled their visitor's center and temporarily opened a store at Oxmoor Center in St. Matthews, Kentucky.