Reflecting some of the above concerns and since late September 2008, Berkshire's shares have fallen from $145,000 a share to $85,000 a share. There is no apparent end to the decline in sight. All good things, it seems, in markets and life, must come to an end. Doug Kass writes daily for RealMoney Silver , a premium bundle service from TheStreet.com. For a free trial to RealMoney Silver and exclusive access to Mr. Kass's daily trading diary, please click here.