March 18 (Reuters) - Nasdaq, which hosts some of the biggest U.S. tech giants on its exchange, said on Monday it was investigating an issue related to connectivity and stock orders, marking its second technical glitch in months. The company did not give details about the severity of the issue, but said it was related to the matching engine -...

By Arathy Somasekhar HOUSTON (Reuters) -Top oil executives and ministers descend on Houston this week for one of the world's biggest energy conferences emboldened by blockbuster mergers, stable oil prices and less pressure for a large-scale move to clean fuels. Global oil prices have remained in a range between $75 and $85 per barrel, a level fueling profits but not...

March 18 (Reuters) - Ratings agency Fitch said on Monday the recent cybersecurity incident at UnitedHealth Group's ( UNH ) technology unit, Change Healthcare, could negatively affect credit profiles of smaller healthcare providers and pharmacies that use its services. Change Healthcare was hit by a cyberattack on Feb. 21 and had a knock-on impact across the country's healthcare system that...

NEW YORK/LONDON (Reuters) - A bumper crop of 40 high-profile hedge fund launches by former portfolio managers of multi-billion dollar firms is expected this year, said research firm PivotalPath and other prime broker and industry sources. Traders from Citadel, Lone Pine Capital, Oaktree Capital Management and Paloma Partners are among those fundraising for their own ventures, people familiar with the...