Sector Roundup: Memory Chips, Tobacco

Sector Roundup: Memory Chip Manufacturers Jump, Tobacco Companies Mostly Higher Among the sector activity stories for Monday, March 31, from AP Financial News: NEW YORK (AP) -- Memory chip makers' shares rose Monday after Asian memory chip makers said they will seek higher prices from customers after a year of depressed profit margins. NEW YORK (AP) -- Shares of tobacco companies were mostly higher Monday afternoon after the Altria Group Inc. holding company spun off its international cigarette operations into a separate company, Philip Morris International, while its U.S. counterpart Philip Morris USA sells cigarettes domestically. Enditem