This story was updated to reflect that Sam Merksamer was named as a board member of Transocean but not as chairman.

This story was updated to reflect that corn was trading at about $6.50 a bushel on Wednesday.

Correction: An earlier version of this article incorrectly stated that the sixth Star Wars movie was "The Force Unleashed 2". It was in fact, "Revenge of the Sith".

An earlier version of this article mischaracterized the nature of IRS actions against Willie Nelson and Nicolas Cage. The IRS seized assets from Willie Nelson in a civil proceeding for failure to pay required taxes. Also in a civil proceeding, the IRS filed a lien against Nicolas Cage for failure to pay required taxes. The lien was removed after payment. Neither Nelson nor Cage was criminally prosecuted. CNBC regrets the errors.

An earlier version of this story misspelled Buffett's name as Buffet.

This story has been updated to reflect Twitter's current valuation is an estimated $10 billion.

The statement that H041 was found in places beyond Japan is incorrect, according to the Centers for Disease Control and Prevention. Gonorrhea strains resistant to a certain antibiotic not routinely recommended by CDC as a first-line treatment regimen for gonorrhea were detected in Hawaii, but other treatments ultimately cured those infections in follow-up. To date, there have been no treatment failures reported in the U.S.for gonorrhea treated with currently-recommended first-line regimens.

An earlier version of this article incorrectly said low-calorie products comprise more than 10 percent of Dr Pepper's overall carbonated beverage sales. Where the company currently has distribution, low-calorie TEN products—7UP, A&W, Canada Dry, Sunkist, RC TEN—are approximately 10 percent of total sales.

An earlier version of this story incorrectly included opening calls for France's CAC and Germany's DAX index. They are in fact closed for the May 1 public holiday.

An earlier version of this story incorrectly stated that Spain had experienced eight consecutive quarters of decline. Spain has, in fact, experienced seven consecutive quarters of decline.