Stocks sink on first day of 2016

NEW YORK (AP) — The new year began on a sour note on Wall Street as stocks tumbled in a global sell-off triggered by new fears of a slowdown in China and rising tensions in the Middle East.
The Dow Jones industrial average sank 2 percent Monday, its biggest drop since September, following even sharper declines in Asia and Europe.
The steep drops served as reminder that the worries that had weighed on financial markets in 2015 — the fragile global economy and unpredictable oil prices