Underfolio

Every trading day › 2018

The stock market on July 31, 2018

July 31, 2018, a Tuesday. The S&P 500 rose 0.49% to close at 2816.29. Of 3,770 US stocks that traded, 2,342 rose and 1,241 fell.

The S&P 500+0.49%closed at 2816.29
How big a move#12,651of 24,799 trading days since 1928
$100 in the index since$274price only, to September 24, 2026
Stocks that rose2,342of 3,770; 1,241 fell
Biggest companyAppleby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Cognex Corporation (CGNX)+19.3%
Illumina, Inc. (ILMN)+12.1%
KLA Corporation (KLAC)+10.5%

Biggest falls among the 500 largest companies

IPG Photonics Corporation (IPGP)-26.9%
Chipotle Mexican Grill, Inc. (CMG)-6.8%
Advanced Micro Devices (AMD)-5.6%

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

‹ July 30, 2018 · Every July 31 · August 1, 2018 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.