He has also cut prices across hundreds of lines, while making a raft of changes such as shutting Tesco's final salary pension scheme, disposing of its loss-making Blinkbox operation selling online videos, and moving its main headquarters from Cheshunt to Welwyn Garden City in a measure expected to save £250 million. On Tuesday he kicked off the next expected wave of asset sales by offloading an 8.6% stake in Singaporean online business Lazada to China's ecommerce giant Alibaba for £91 million. Tesco is also reportedly planning to sell off the Dobbies Garden Centres chain, coffee shop Harris & Hoole and restaurant Giraffe to focus on the main supermarket business, but Mr Lewis declined to comment on the speculation.