Five years ago, on the afternoon of May 6, 2010, the Dow and the S. & P. fell more than six per cent in a matter of minutes, losing a trillion dollars in value.
Charvi Rastogi, Ivan Stelmakh, Alina Beygelzimer, Yann N. Dauphin, Percy Liang, Jennifer Wortman Vaughan, Zhenyu Xue, Hal Daume III, Emma Pierson, and Nihar B. Shah