With $42 billion to his name, Warren Buffett of Berkshire Hathaway remains as the second richest person in the world, according to the latest Forbes Magazine survey. Still in the top spot is Bill Gates of Microsoft with $50 billion. Other financial industry luminaries shining near the top of the 800 or so billionaires is Abigail Johnson of Fidelity Investments ($12.5 billion) at No. 28; Carl Icahn ($8.7 billion), No. 53; George Soros ($7.2 billion), No. 71; Edward Johnson III of Fidelity ($6.7 billion), No. 80; and Ronald Perelman ($6.1 billion), No. 94.