July 26 (Reuters) - European stocks fell on Tuesday as a slide in retailers and Swiss bank UBS offset a rally in oil stocks and Unilever, which rose after an upbeat sales forecast.

The pan-European STOXX 600 index fell 0.1% by 0722 GMT with broader sentiment remaining fragile on recession worries.

Russia is set to cut more gas supplies to Europe, while investors also brace for a possible interest rate hike by the U.S.
Federal Reserve on Wednesday.

Retail stocks were the biggest decliners, down 2.3%, hit by a profit warning from top U.S. retailer Walmart Inc , which cited surging prices for food and fuel affecting discretionary demand.

Europe's luxury stocks fell, with French liquor maker Remy Cointreau losing 0.3% despite an earnings beat.

London's commodity-heavy FTSE 100 outperformed, up 0.4% as prices of crude, base metals and iron ore rose, buoying miners and oil stocks.

The biggest boost came from a 2.2% jump in consumer company Unilever after it raised its full-year sales forecast.

Upbeat outlook from Swiss chocolate maker Lindt & Spruengli saw its shares rise 3.3%.

Not all earnings were upbeat.

Swiss bank UBS fell 5.7% on posting a smaller-than-expected rise in second-quarter net profit, while web-Free Sex Cams maker Logitech International lost 3.7% after reporting a 38% fall in first-quarter adjusted profit. (Reporting by Susan Mathew in Bengaluru; Editing by Shounak Dasgupta)