Two titans of business took a tour of a mattress factory and seemed to be having the time of their lives. Warren Buffett and Bill Gates chat and laugh, as they loll about the Buffett-owned Nebraska Furniture Mart in Omaha, Neb. “My real vocational goal was to be a mattress tester,” Buffett told Gates in the video posted online this week.

Amazon's stock dropped sharply and suddenly in a mini-flash crash on Friday during a broader downturn in tech stocks. The online giant's stock tanked and then quickly came back all within the minute of 2:50 p.m, according to Bloomberg data. Here's a

It has been a long haul back from the dead for McDonald's (MCD) , but signs of life on several fronts continue to emerge. Credit Suisse analysts raised their price target on McDonald's by $8 to $157 in a note Thursday, citing "continued momentum," as "SSS [same store sales] among our franchise contacts have accelerated from 1Q17 [first quarter], with each month better than the last." The stock closed Thursday's session at $151; a year ago, it was trading at $123.09. Among the menu offerings that have driven growth are $1 soft drinks and $2 small coffee. Additionally, franchisees told the analysts that improving food quality and operations may now be helping to lift market share. Other upcoming