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Comfort Systems USA Shares Fall 4.5% in Tuesday’s US Session

Comfort Systems USA shares declined 4.6% in New York trading today, the second move of over 4% or more in a week, with third-quarter results due on Thursday.

Comfort Systems USA (NYSE: FIX), the engineering and construction contractor, closed at $1,396.61, down 4.6%. The stock has traded between $1,382.15 and $1,440.96 so far.

The fall leaves the shares around 32% below their 52-week high and 76% above their 52-week low. They remain up 48.9% since the start of the year, and sit near the bottom of today’s range.

Line chart of Comfort Systems USA share price over the month to 20 October 2026 showing the day's fall.
Comfort Systems USA shares over the month to 20 October, including the session so far

How unusual this is

The shares moved by 5% or more last Thursday, so today is the second such session in a week. The chart below sets today’s change against every daily change in the past six months.

Bar chart of Comfort Systems USA daily share price changes over six months with today's fall highlighted.
Daily changes in Comfort Systems USA over six months, with today’s move so far highlighted

In the news

Comfort Systems generated operating cash flow of $1.53bn in the first half of 2026, against $164.5m a year earlier, with free cash flow of $1.24bn against $113.1m. In the last quarter, adjusted earnings per share were $12.53, up 91.9%, on revenue of $3.27bn, up 50.3%.

The order backlog was a record $14.06bn, up 73%. Comfort Systems reports third-quarter results on Thursday, after the US market closes.

Asktraders News Team
Asktraders News Team
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The AskTraders Analyst Team features experts in technical and fundamental analysis, as well as traders specializing in stocks, forex, and cryptocurrency.

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