HAMILTON, BERMUDA--(BUSINESS WIRE)--Arch Capital Group Ltd. [NASDAQ:ACGL] announced that it expects to release its 2015 second quarter results after the close of regular stock market hours on Wednesday, July 29, 2015. The Company will hold a conference call for investors and analysts at 11:00 a.m. Eastern Time on Thursday, July 30, 2015. A live webcast of this call will be available via the Investors section of the Company’s website at http://www.archcapgroup.com. A telephone replay of the conf