Underfolio

Every trading day › 2011

The stock market on January 21, 2011

January 21, 2011, a Friday. The S&P 500 rose 0.24% to close at 1283.35. Of 4,115 US stocks that traded, 1,596 rose and 2,265 fell.

The S&P 500+0.24%closed at 1283.35
How big a move#17,945of 24,799 trading days since 1928
$100 in the index since$600price only, to September 24, 2026
Stocks that rose1,596of 4,115; 2,265 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Intuitive Surgical, Inc. (ISRG)+12.7%
General Electric (GE)+7.1%
SunTrust Banks (STI)+5.9%

Biggest falls among the 500 largest companies

Advanced Micro Devices (AMD)-6.0%
Walter Energy Inc (WLT)-4.8%
Alpha Natural Resources (ANR)-4.3%

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

‹ January 20, 2011 · Every January 21 · January 24, 2011 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.