Richest People In America | Forbes 400 2015  {"generic":"Richest People In America | Forbes 400 2015","twitter":"Richest People In America | Forbes 400 2015"}  {"generic":"Michael Jordan, Billionaire.","twitter":"Michael Jordan, Billionaire."}  {"generic":"The Evolution Of Uber","twitter":"The Evolution Of Uber"}  {"generic":"Billionaires 2015: Wealthiest Women","twitter":"Billionaires 2015: Wealthiest Women"}  Richest Self-Made Americans Under 40  {"generic":"Richest Self-Made Americans Under 40","twitter":"Richest Self-Made Americans Under 40"}  {"generic":"Billionaires 2015: Highlights","twitter":"Billionaires 2015: Highlights"}  Africa’s Richest: Top 10 Billionaires  {"generic":"Africa’s Richest: Top 10 Billionaires","twitter":"Africa’s Richest: Top 10 Billionaires"}  {"generic":"Billionaires 2015: Tech’s Richest","twitter":"Billionaires 2015: Tech’s Richest"}  World’s Highest Paid Celebrities 2015  {"generic":"World’s Highest Paid Celebrities 2015","twitter":"World’s Highest Paid Celebrities 2015"}  Warren Buffett's Advice To Jay Z  {"generic":"Warren Buffett's Advice To Jay Z","twitter":"Warren Buffett's Advice To Jay Z"}  Warren Buffett: When To Give Away Your Money  {"generic":"Warren Buffett: When To Give Away Your Money","twitter":"Warren Buffett: When To Give Away Your Money"}  {"generic":"Billionaires: Surprising First Jobs","twitter":"Billionaires: Surprising First Jobs"}  Meet the Richest: Europe's Biggest Billionaires  {"generic":"Meet the Richest: Europe's Biggest Billionaires","twitter":"Meet the Richest: Europe's Biggest Billionaires"}  Donald Trump And The Forbes 400: 33 Years, One Rocky Relationship  {"generic":"Donald Trump And The Forbes 400: 33 Years, One Rocky Relationship","twitter":"Donald Trump And The Forbes 400: 33 Years, One Rocky Relationship"}  The World's Highest-Paid Actresses 2015  {"generic":"The World's Highest-Paid Actresses 2015","twitter":"The World's Highest-Paid Actresses 2015"}  {"generic":"Top-Earning Dead Celebrities 2015","twitter":"Top-Earning Dead Celebrities 2015"}  2015 Emmy Nominations: Celeb 100 Edition  {"generic":"2015 Emmy Nominations: Celeb 100 Edition","twitter":"2015 Emmy Nominations: Celeb 100 Edition"}  The DNA Of A 30 Under 30  {"generic":"The DNA Of A 30 Under 30","twitter":"The DNA Of A 30 Under 30"}  Spectre: Behind The Scenes Of A Bond Film Intro  {"generic":"Spectre: Behind The Scenes Of A Bond Film Intro","twitter":"Spectre: Behind The Scenes Of A Bond Film Intro"}  The Seven Richest Bond Villains  {"generic":"The Seven Richest Bond Villains","twitter":"The Seven Richest Bond Villains"}  {"generic":"Zuckerberg's $45 Billion Gift","twitter":"Zuckerberg's $45 Billion Gift"}  Digicel’s Denis O’Brien: Delivering Real Results From Corporate Philanthropy  {"generic":"Digicel’s Denis O’Brien: Delivering Real Results From Corporate Philanthropy","twitter":"Digicel’s Denis O’Brien: Delivering Real Results From Corporate Philanthropy"}  Samsung Galaxy S6 Edge+ Review  {"generic":"Samsung Galaxy S6 Edge+ Review","twitter":"Samsung Galaxy S6 Edge+ Review"}  {"generic":"Country Cash Kings 2015","twitter":"Country Cash Kings 2015"}  {"generic":"Time Is Money","twitter":"Time Is Money"}  How Michael Dell Thinks About Innovation  {"generic":"How Michael Dell Thinks About Innovation","twitter":"How Michael Dell Thinks About Innovation"}  Sheryl Sandberg On Her Relationship With Mark Zuckerberg  {"generic":"Sheryl Sandberg On Her Relationship With Mark Zuckerberg","twitter":"Sheryl Sandberg On Her Relationship With Mark Zuckerberg"}  Iams Billionaire Clay Mathile Shares Business Secrets  {"generic":"Iams Billionaire Clay Mathile Shares Business Secrets","twitter":"Iams Billionaire Clay Mathile Shares Business Secrets"}  Billionaire Brands At The Bar  {"generic":"Billionaire Brands At The Bar","twitter":"Billionaire Brands At The Bar"}  Bill Marriott's Four Most Important Words In Business  {"generic":"Bill Marriott's Four Most Important Words In Business","twitter":"Bill Marriott's Four Most Important Words In Business"}
These billionaires earned a hefty amount of money. Forbes' Dan Alexander points out the biggest dollar and percentage gainers of the year.