M.J. Christensen Store Closing and Chainwide Consolidation Sale Offers Deepest Discounts in Las Vegas Retailer's 70-Year History LAS VEGAS, NV--(Marketwire - April 29, 2009) - M.J. Christensen, the venerable jeweler known for its sumptuous showrooms filled with chic brands, is offering discounts of up to 70%-off on thousands...