IBM recently helped HSBC pull off a quantum computing milestone. Now, IBM wants to further demonstrate quantum's use in finance. A joint study with Vanguard shows how quantum computing could shake up portfolio construction. IBM made headlines in the financial and tech sectors last week with a quantum-powered bond trade it helped HSBC execute. IBM stock jumped as markets reacted to a milestone use case for the cutting-edge tech. Now, the company has revealed the results of another partnership, indic ...