Airlines and computer chips were among Friday's hardest-hit sectors during a session that saw the broad stock averages saddled with steep losses.
The Amex Airline index took a beating, dropping 4.4%.
, the parent of American Airlines, was the loss leader, falling 10.2% to $18.46.
shed 5.3% to $26.03.
was the only member of the index showing a gain. The stock tacked on 2 cents, or 0.1%, to $16.18 following the carrier's announcement that it plans to buy back up to $300 million of stock.
Meanwhile, the Philadelphia Semiconductor Sector index was giving back 4.1%. Makers of programmable-logic devices were feeling the worst of the selling pressure, as
fell nearly 8% to $27.42 and
lost 5.9% to $18.59.
The energy group, buoyed by advancing oil prices, was one of the few areas of the market to escape the carnage.
The Philadelphia Oil Service Sector index was ahead by 2.4%, led by
, up 5.1% to $75.41, and
, rising 5.8% to $121.51.
The Amex Oil index, a tracker for names such as
, added 0.1% as nine of its 13 components were higher on the day.
Elsewhere, the Amex Networking index was lower by 3.2%.
were seeing the sharpest declines, both falling more than 4.2%. The computer hardware sector slumped 3%, dragged down by
The Philadelphia Stock Exchange/KBW Bank Sector index fell 2.1%, and the Philadelphia Housing Sector index was weaker by 1.7%. Retailers, drug stocks and biotechs were all losing more than 1%.
As the close of trading approached, the
Dow Jones Industrial Average
was down 202 to 10,678, and the
was losing 23 points to 1262. The
was off 52 points, or 2.3%, to 2250.