Several large investors have recently added to or reduced their stakes in the company.
The news came as a surprise because previously the grocer had faced significant drop in sales and shares. Tesco also reported its lowest-ever sales last year on April. Other grocers also reported better sales than predicted.
Senior executives of listed firms in China have stepped up the pace at which they are selling shares in their own companies, suggesting they may have doubts about whether their stock prices can go much higher.
With the U.S. third-quarter earnings season almost at an end, many investors are breathing a sigh of relief as more companies surpassed profit expectations than in any quarter since 2010.
Twitter Inc posted a disappointing 7 percent slide in a closely watched measure of engagement even though its user base grew 23 percent in the third quarter, triggering a more than 9 percent decline in its stock on Monday.
Medical equipment supplier Becton Dickinson & Co (BDX.N) has agreed to buy CareFusion Corp (CFN.N), a maker of infusion pumps and other medical devices, for $12.2 billion in cash and stock, marking the latest multibillion-dollar healthcare sector deal.
Venezuela announced on Friday the "temporary" takeover of two plants belonging to U.S. cleaning products maker Clorox Co which has left the country because of difficult economic conditions.
German business software maker SAP (SAPG.DE) said on Thursday it has agreed to acquire U.S.-based expense management software maker Concur Technologies Inc (CNQR.O) in an all-stock deal valued at $7.3 billion that expands its presence in internet-based software or so-called cloud computing.
Five companies would be vying for the West Bengali government's shares in Haldia Petrochemicals Ltd through a bidding process.
Fibrocell Science's market value fell after it offered 11 million shares of stock.
Apple bought back three times more share than expected.
Dell Inc.'s stocks fell at US $12.88 on Wednesday, the lowest since July 5.
Members of the board of Club Med have agreed to sell their stake on the company.
Chevron Phillips is planning a growth program in the Middle East.
Dangote Cement sells off 1.5% to an unidentified sovereign wealth fund for 45.8 billion naira.