What are some companies similar to Berkshire?

• Graham holdings
  • ticker: GHC
  • https://finviz.com/quote.ashx?t=GHC&p=d
• Loews Corp
  • ticker: L
  • https://finviz.com/quote.ashx?t=L&ty=c&ta=1&p=d

Wall street and fluid dynamics

• (asset|cash|order) flows, liquidity