BofA's Jill Carey Hall on raising S&P 500 year-end target to 5,400

Jill Carey Hall, Bank of America Global Research head of small and mid-cap strategy and senior U.S. equity strategist, joins 'Squawk Box' to discuss the latest market trends, why she has an S&P 500 year-end target of 5,400, where investors can find opportunities, and more.