Solutia Inc. said today it will buy Southwall Technologies Inc., which makes films and glass products for automotive, electronic and architectural markets, including screens for smartphones and e-readers, for $113 million. The deal to acquire Palo Alto, Calif.-based Southwall for $13.60 per share of Southwall common stock will be funded by Solutia from existing cash on hand, the St. Louis-based company said. more