Alibaba founder Jack Ma gives a thumbs-up as he arrives to speak to investors at an initial public offering roadshow in Singapore. Photograph: Edgar Su/Reuters

Jack Ma isn’t the only billionaire winner of Alibaba’s initial public offering. The record-setting stock sale also gave a jolt to the fortunes of the (...)

Moody’s, which gave Ireland its top Aaa grade in 1998 before the euro was introduced, cut the country’s rating to non-investment grade, or junk, in July 2011 following the financial collapse.  Photographer: Scott Eells/Bloomberg

The credit rating of the Irish Government has been raised to investment grade by Moody’s the most influential of the international credit rating agenc(...)