Once valued at $30 million, it now has a $15 million–$20 million estimate.

The lawsuit alleges Christie's failed to protect the personal information of more than 500,000 current and former buyers.

Works by Zao Wou-Ki, Yoshitomo Nara, Yayoi Kusama, and Andy Warhol were the top lots at both Phillips and Christie's sales.

Here's what we're reading this morning.

The question remains: What data did the hackers actually obtain?

Here's what we're reading this morning.

The hackers wrote that they "attempted to come to a reasonable resolution" with Christie's.

Brooke Lampley, the Global Chairman and Head of Global Fine Art at Sotheby's, is leaving the auction house to become a Senior Director at Gagosian.

It could be weeks or months until the auction house understands the full scope of what occurred.

The brisk, 64-lot sale lasted around two hours, with just three works being passed on.