Biggest Gainers
1. Jack Ma
Net worth in Dec 2013: $10.7 billion
Net Worth in Dec 2014: $29.2 billion
Gain: $18.5 billion, +173%
2. Warren Buffett
Net worth in Dec 2013: $59.1 billion
Net worth in Dec 2014: $72.6 billion
Gain: $13.5 billion, +23%
3. Bill Gates
Net worth in Dec 2013: $72.6 billion
Net worth in Dec 2014: $83.1 billion
Gain: $10.5 billion, +14%
4. Mark Zuckerberg
Net worth in Dec 2013: $24.7 billion
Net worth in Dec 2014: $33.1 billion
Gain: $8.4 billion, +34%
5. Patrick Drahi
Net worth in 2013: $7.8 billion
Net worth in Dec 2014: $12.9 billion
Gain: $5.1 billion, +65%
Biggest Losers
1 Leonid Mikhelson
Net worth in Dec 2013: $17 billion
Net worth in Dec 2014: $10 billion
Loss: $7 billion, -41%
2. Masayoshi Son
Net worth in Dec 2013: $19.1 billion
Net worth in Dec 2014: $13.2 billion
Loss: $5.9 billion, -31%
3. Lui Chee Woo
Net worth in Dec 2013: $19.6 billion
Net worth in Dec 2014: $14.1 billion
Loss: $5.5 billion, -28%
4. Jeff Bezos
Net worth in Dec 2013: $34.4 billion
Net worth in Dec 2014: $28.9 billion
Loss: $5.5 billion, -16%
5. Sheldon Adelson
Net worth in Dec 2013: $35.3 billion
Net worth in Dec 2014: $30.1 billion
Loss: $5.2 billion, -15%