Exa Corporation, which provides performance simulation software for auto manufacturers, raised $62.5 million on Wednesday by offering 6.25 million shares at $10, below the range of $11 to $13. Exa Corporation plans to list on the NASDAQ under the symbol EXA. Stifel Nicolaus Weisel acted as lead manager on the deal, which is the second IPO to be completed since Facebook went public in May. EQT Midstream, which began trading on the NYSE on Wednesday, priced at the top of the range and traded up 13% in its debut.