The Financial Times has a long article available on Physicists and the financial markets (gated, but can be read with a free registration) that is well worth a read on this quiet session.
It is a very long article, and I’m not going to even attempt a summary of it. its probably best summed up by the subtitle:
Physicists have been lured into the financial market for decades, prized for their insights and data-crunching skills. But in a time of turbulence, flash crashes and high-frequency trading, can they really spot things that others miss?