Not content to wait for March to end, EA went ahead and announced that "Battlefield: Bad Company 2 tops March sales charts." The somewhat hasty press release goes on to explain that with 2.3 million copies sold so far, Bad Company 2 is "on pace" to be the top selling title in March 2010. It is already, according to EA, the best-selling March release yet, which lends credence to EA's early claim of March dominance.
You can read more here:
http://www.joystiq.com/2010/03/18/battlefield-bad-company-2-sells-2-3-million/