Underfolio

Every trading day › 2015

The stock market on April 21, 2015

April 21, 2015, a Tuesday. The S&P 500 fell 0.15% to close at 2097.29. Of 3,956 US stocks that traded, 1,693 rose and 2,058 fell.

The S&P 500-0.15%closed at 2097.29
How big a move#20,517of 24,799 trading days since 1928
$100 in the index since$367price only, to September 24, 2026
Stocks that rose1,693of 3,956; 2,058 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Lam Research (LRCX)+8.1%
Kimberly-Clark (KMB)+5.4%
Palo Alto Networks, Inc. (PANW)+5.4%

Biggest falls among the 500 largest companies

Harley-Davidson (HOG)-9.8%
Under Armour Inc (UA)-4.8%
Chesapeake Energy (CHK)-4.8%

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

‹ April 20, 2015 · Every April 21 · April 22, 2015 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.