Gold has had five straight up weeks and is heading for its best month since 1999. But former investment banker Felix Prehn ( @FelixFriends ) says most people who bought physical metal to protect themselves have left the bigger half of their money completely exposed. Speaking with Jeremy Szafron on Kitco News, Prehn puts typical retail AI exposure at 60 to 70 percent and says a plain index fund or 401k is likely around half AI already. His warning is that people then buy the same handful of c...