At the time, global lenders were beefing up their capital-markets units in New York with a focus on the booming business to compete with U.S. investment banks such as Lehman Brothers Holdings Inc. and Bear Stearns Cos.
Refer to the input text as context and select the correct relationship between 'Lehman Brothers' and 'investment' from the available options.
Options: owned by, business division, industry, currency