NEW YORK (AP) — Technology companies are leading a broad decline in U.S. stocks that has pulled the Dow Jones industrial average down 200 points.

Apple sank 3 percent after the company pulled a software update for its iPhones late Wednesday as users complained that they weren’t able to make calls.

The Dow was down 208 points, or 1.2 percent, to 17,002 as of 10:50 a.m. Eastern time Thursday. The plunged wiped out the Dow’s gain of 154 points the day before.

The Standard & Poor’s 500 index fell 25 points, or 1.3 percent, to 1,972.

The Nasdaq composite, which is heavily weighted with technology stocks, fell 78 points, or 1.7 percent, to 4,477.

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