$Carnival (CCL.US)$'s improving financial prospects are spurring its heaviest options volume in more than two months, landing the cruise liner at the top five most active stock options Tuesday.
The company that runs cruise lines under its namesake brand, Princess Cruises, Holland America, Cunard, AIDA Cruises and P&O Cruises, unexpectedly swung to a profit in the second quarter, raised its full year earnings guidance a...