Mad Mark Walter is at it again, as Guggenheim Partners finalized a deal to acquire Dick Clark Productions, or DCP, for $370 million, well beyond what other bidders were apparently willing to pay.

Mr. Walter, chief executive officer of the privately-owned financial firm, led a group that paid $2 billion for the Los Angeles Dodgers this spring, a price that was reportedly hundreds of millions of dollars more than the best offers at which rival groups were able to arrive. Read More