. >> fennelly tonight "fortune" magazine is out with the annual list of the world's biggest companies walmart has reclaimed the top spot this year from exxon mobil which dropped to number two. rounding out the top five, two other oil giants, chevron and phillips 66 and warren buffett's berkshire hathaway. we've been talking about him. apple, the world's most valuable company cracked the top ten coming in at number six and facebook joined the exclusive club for the first time, tyler at number 482. >> you look at those numbers and you realize how big berkshire hathaway is, bigger in sales than apple which we make so much noise is about. >> if you count it on profits, it's number two after exxon, which is amaze happening. >> and if you count it by market value, it's back at number one. >> that will do it for tonight's edition of "nightly business report," i'm tyler math son. thanks for watching and tyler will be right back here. see you tomorrow. >>> "nightly business report" has been brought to you by -- >> the street.com, interactive, multimedia tiles for an ever-changing financial wor