*Risk appetite bigger at top Wall Street banks. LONDON, May 22- Europe's energy price manipulation probe has turned regulatory attention to secretive trading units at oil companies with huge turnover and millionaire staff with risk appetite higher than at Wall Street's biggest banks.
New York State's coffers are up $1.6 billion over last year, but the increase is due mostly to the wealthy shifting income into 2012 to avoid higher 2013 taxes.
The richest Americans pay to influence U.S. policy toward cost cutting to benefit themselves, said a new study. But they could also be doing the right thing for the economy.
Dennis Tito, who paid a reported $20 million for a ride on a Russian spacecraft, is said to be backing a privately funded, possibly manned, shot at Mars.
Three of the top five on the Chronicle of Philanthropy's 2012 list of Most Generous Donors are under 40 – the largest number of young donors at the top ever.
Penny Pritzker, a possible nominee for commerce secretary, has never been comfortable with the title "billionaire." Her wealth could also be an odd fit in the Obama White House.
Weathering Europe's economic storm, London auctions this week netted more than $440 million as bidders snapped up high-profile works by Picasso, Modigliani, and Morisot.
Reprising his 2011 crusade, Barack Obama is calling again for eliminating "tax breaks for private jet owners," drawing criticism from the industry and opposing politicians alike.
One way to look at the stock market is that it's a giant wealth creation machine, reports CNBC's Robert Frank. Art Hogan, Lazard Capital Markets; and CNBC's Michelle Caruso-Cabrera & Brian Shactman, weigh in.