Warren Buffett and his company Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) have for years done an excellent job of creating shareholder value, particularly through the company's $314 billion-plus equities portfolio. Although underwriting activity for events like initial public offerings is way down, all of this market volatility will help Bank of America's trading businesses. Bank of America is also planning to keep expenses unchanged this year, which would be a great accomplishment amid rising inflation.