NEW YORK — Wall Street has one simple task as Facebook Inc. shares begin trading: Don’t mess it up. Major stock exchanges, brokerage firms and mutual fund companies have been gearing up for one of the biggest initial public offerings on record. And, with all the hype surrounding the social-media giant, any snafus would be [...]

NEW YORK (Reuters) – Microsoft Corp is close to buying web video conferencing service Skype Technologies for $8.5 billion including debt, a source familiar with the situation said, in a deal which would rank as the biggest for the software company. A deal is expected to be announced as early as Tuesday morning, the source [...]