BUZZ-Tesco: investors confident grocer can turn itself around

** Tesco (Xetra: 852647 - news) shares rise despite write-down of value of its business by 7 bln pounds

** Write-down, which was larger than forecast, reflects restructuring charges & lower sales; co, however, posted broadly in-line FY of £1.4 bln

** Stock up 1.2 pct, had been called down as much as 3 pct by brokers in the pre-market

** But investors confident in CEO Dave Lewis's ability to turn Tesco around, traders say; has impressed with his decisive action since he joined in September

** Most actively traded stock on the FTSE 100, with 40 pct of 90-day daily avg volume having gone through after 30 minutes (RM (LSE: RM.L - news) : tricia.wright1.thomsonreuters.com@reuters.net)