NEW YORK, 14 September 2026 — The Nasdaq Composite closed at 26,186.41, falling 146.62 points or 0.56% during Monday’s completed U.S. regular cash session, according to closing figures reported by the Associated Press.

Nasdaq Composite closing move

The technology-heavy benchmark recorded the largest percentage decline among the four major indexes in Monday’s closing comparison as AI-linked shares weakened.

Why this index matters

The Nasdaq Composite contains thousands of Nasdaq-listed securities and is closely watched for changes in technology and growth shares.

Wider U.S. market close

CapKet’s separate U.S. market roundup compares the closing moves of the S&P 500, Dow, Nasdaq Composite and Russell 2000. This article preserves the individual Nasdaq Composite observation.

What to watch next

Readers may monitor Treasury yields, energy prices, overnight Asian and European trading, and U.S. index futures before the next regular cash session. Futures and after-hours prices do not guarantee the next opening direction.

Data note: The close, point change and percentage move refer to the completed 14 September U.S. regular cash session. The percentage is rounded to two decimal places. This is a historical market observation, not a live executable quote, forecast or investment advice.