The Dow Jones Industrial Average tumbled more than 480 points at its lows, heading for its steepest drop since Feb. 8, but selling is relatively calm, according to one measure of market internals. The so-called Arms Index, a volume-weighted breadth measure that usually rises above 1.000 when stock market falls, as sellers of declining stocks tend to be more aggressive than buyers of advancing stocks, rose to just 1.327 for the NYSE. Some market technicians feel a rise above 2.000 suggests panic-like selling. The number of declining stocks outnumbered advancers at 2,524 to 359, or by a 7.0-to-1 margin, at last check. Most recently, the Dow was off 400 points, or 1.6%, at 24,551. It was down by as many as 482 points. The S&P 500 index was down 1.7% at 2,705, while the Nasdaq Composite Index was trading 2.3% lower at 7,310. Stock benchmarks were under pressure on Monday on the heels of a data scandal tied to how Facebook Inc. has managed user information during the 2016 presidential campaign.
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From:: Stock Market News