Pre-market data

Dow futures point to slight rise after historic rout

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Dow Jones Industrial Average futures remained in positive territory on Tuesday, but came off earlier highs, as concerns over the Chinese economy pressured global markets.

By 2.30 a.m. ET, Dow futures were just over 100 points higher. Both the S&P 500 and Nasdaq 100 futures were slightly up but briefly dipped into negative territory as the Chinese markets accelerated losses over in Asia.

The rise follows a historic trading day Monday when U.S. stocks plunged more than 3.5 percent, closing off session lows in high volume trade amid growing concerns of slowing growth in China. The Dow dropped 588 points after swinging wildly throughout the day.

Read MoreSo, just how bad was Monday's trading day?

S&P 500 ended nearly 80 points lower, off session lows of about 104 points lower but still in correction territory after the tech sector failed intraday attempts to post gains. Nine of the 10 sectors are in correction territory, with consumer staples less than 1 percent away.

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—CNBC's Evelyn Cheng and Gina Francolla contributed to this report.

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