shares of green brick partners inc were trading higher on the new york stock exchange thursday a day after the homebuilding and land development company reported secondquarter earnings per share more than doubled from the yearago period at 1247 pm et the companys shares were trading 16 higher at 2988 after the bell wednesday the company said it achieved record pershare earnings of 208 in the second quarter on revenue of 5251 million in the yearago period the company reported earnings of 102 a share and revenue of 3738 million jim brickman the companys cofounder and chief executive said the company delivered a record number of homes during the quarter and achieved a record high home building gross margin of 323 up 450 basis points sequentially