 Furniture retailer Conns Inc. shares soared 10 in premarket trade Thursday, after the company posted first-quarter earnings that crushed expectations. The Woodlands, Texas-based Conns said it had net income of 45.4 million, or 1.52 a share, in the quarter, after a loss of 56.2 million, or 1.95 a share, in the year-earlier period. 