New home sales plunged to a record low in January—And yes, these are seasonally adjusted numbers:Sales of new homes plunged to a record low in January, government figures showed Wednesday, as the weak economy and a glut of foreclosed homes continue to weigh on the market.The seasonally adjusted annual rate of new home sales plummeted 11.2% to 309,000 last month, compared with a revised rate of 348,000 in December, the Census Bureau said. That's a decline 6.1% from January 2009.It was the lowest rate since the government began keeping records in...