Warren Buffett is telegraphing his disdain for Wall Street bankers with an oddball price on his latest multibillion-dollar takeover. The $848.02 for every share that Alleghany Corp. stockholders get from Berkshire Hathaway Inc. is the result of Buffett balking at the banking fee being set aside by the target company -- in this case for Goldman Sachs Group Inc., which is advising the insurer.