HSBC joined companies, including law firm Clifford Chance, and Societe Generale SCGLY, looking to downsize to more central offices to reduce their carbon footprint and adapt to hybrid working. Office vacancies have risen in London from 5% in March to 9% in May, according to CoStar. However, they are exceptionally high in Canary Wharf, which had a vacancy rate of more than 10% in May. Price Action: HSBC shares traded lower by 0.13% at $38.17 premarket on the last check Monday.