Daniel Cassady is a reporter covering the business practices, money, and machinations of the art world. His writing has appeared in The Washington Post, The New York Post, Forbes, and The Art Newspaper. He welcomes good conversation and heated debates. You can reach him at dcassady@artnews.com and on Twitter @danielcassady.
Christie's said its auction totals (including online-only sales) came in at $5.02 billion. Private sales stood at $1.2 billion. Luxury sales—for jewelry, handbags, watches and wine—contributing $1…