LSI Industries Inc. has made the biggest buy in its history with its latest acquisition. The Cincinnati-based lighting and graphics company (Nasdaq: LYTS) has purchased Burlington, N.C.-based Atlas Lighting Products Inc. with a cash payment of $96.9 million and 200,000 five-year warrants to purchase LSI common stock at $9.95. The total transaction value is $97.5 million and will be funded with a combination of cash on hand and $66 million from a new $100 million commercial bank facility from PNC...