21.   Natural gas futures surged on speculation a storm now moving through the Caribbean could disrupt production in the Gulf of Mexico at a time of unseasonably cold weather.

22.   Oil prices rose Friday on concern that the storm could disrupt production at Caribbean refineries.

23.   Power cuts by state electricity boards also disrupted production of viscose, caustic soda and cement in Kerala and Madhya Pradesh.

24.   Prices for dynamic random access memory chips, known as DRAM, have risen sharply in the past few weeks since the earthquake in Taiwan disrupted production there.

25.   Pipeline issues rose on concern that Tropical Storm Danny will disrupt oil production from the platforms in the Gulf of Mexico and deliveries to the U.S. Gulf Coast.

26.   Pipeline issues rose on concern that Tropical Storm Danny will disrupt oil production from the platforms in the Gulf of Mexico and offshore deliveries to the U.S. Gulf Coast.

27.   Some research suggests that in humans narcolepsy is actually an autoimmune disorder that could have disrupted the production of the hormone.

28.   Speculation that an oil workers strike in Norway would disrupt production in the largest oil producing region in Europe also supported crude prices.

29.   The company reported earlier that flooding had caused copper production to be disrupted.

30.   The engine-factory strike has disrupted production of not only the Dakota and Ram pickups and the Jeep Grand Cherokee but also the Dodge full-size van.