— Thermal imaging company Flir Systems Inc. said it boosted its profit margins during the fourth quarter, increasing net income by 9 percent even as its revenue fell.
— Shares of XL Group PLC slid after the Ireland-based insurer posted a fourth-quarter loss because of the impact of the Thailand floods and a big one-time charge related to the declining value of some insurance assets.
— The electric power generator Calpine Corp. reported a narrower fourth-quarter loss than a year earlier on a drop in operating expenses.
