(BRKA) closed @ $116,479.00
(BRKB) closed @ $77.49
Two books that may be of interest to you, written by an insider, Mary Buffett, and co-authored by David Clark: Buffettology & Buffettology Workbook.
News:
(BRKA)
link-
http://www.google.com/finance?q=BRKA
(BRKB)
link-
http://www.google.com/finance?q=brkb
(BRKB) shares had a forward split not too far back. Holders of B shares received 50 new B shares for every original B share they held.
link-
http://www.berkshirehathaway.com/news/NOV0309SPLIT.pdf