Owens Corning NYSE: OC reported lower first-quarter revenue as weaker residential construction and repair- and-remodel demand continued to pressure volumes, but executives said the company's reshaped building products portfolio is producing more durable margins through the cycle. The Toledo, Ohio-based company generated first-quarter revenue of $2.3 billion, down 10% year over year, and adjusted EBITDA of $369 million, representing a 16% adjusted EBITDA margin. Adjusted earnings were $1.22 per diluted share ...