There's a pall over the financial markets this holiday season, and it has little to do with the shortage of daylight this time of year. The lifeblood of the street -- bonuses -- will be cut, and if you survive, there's no guarantee of a better 2016. That's because Wall Street is bracing for merciless job losses that could total 100,000 in the US alone by June. By this estimate, Wall Street head count in New York City -- some 170,000 today -- could shrink by as much as 17,000, with the downsizing hitting everyone from million-dollar backers to middle-class...