Underfolio

Every trading day › 2021

The stock market on January 27, 2021

January 27, 2021, a Wednesday. The S&P 500 fell 2.57% to close at 3750.77. Of 3,914 US stocks that traded, 677 rose and 3,187 fell.

The S&P 500-2.57%closed at 3750.77
How big a move#971of 24,799 trading days since 1928
$100 in the index since$205price only, to September 24, 2026
Stocks that rose677of 3,914; 3,187 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

GameStop (GME)+134.8%
Contextlogic Inc (WISH)+10.7%
Palantir Tech (PLTR)+10.3%

Biggest falls among the 500 largest companies

Plug Power, Inc. (PLUG)-12.0%
Nuance Communications, Inc. (NUAN)-10.2%
Caesars Entertainment Corporation (CZR)-10.1%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ January 26, 2021 · Every January 27 · January 28, 2021 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.