Grimsvotn

This is your morning news summary from Benzinga for Tuesday, May 24th, 2011, covering overnight and pre-market news affecting today's trading session. Stock index futures are pointing to a slightly higher open today after a negative session to the start of the week. On Monday, euro zone debt...

Grimsvotn, Iceland's most active volcano, erupted yesterday, and is playing havoc with European travel, particualrly air travel, as ash clouds rise, and threaten to shut down airports. Last year, air travel was affected by another Icelandic volcano, and air travel was affected for six days. Dark...