BlackBerry shares jump 21% on Samsung report

NEW YORK (MarketWatch) — Shares of smartphone maker BlackBerry surged in late-afternoon action on Thursday after a Reuters report said Samsung recently approached BlackBerry about a potential t...

Economic Report: U.S. retail sales slump in December

WASHINGTON (MarketWatch) — Retail sales in the U.S. sank in December largely because of cheaper gasoline prices, but most stores posted surprisingly weak results during the busiest month of the shopp...