(Adds futures, Hornby, Debenhams)
June 22 (Reuters) - Financial spreadbetters see Britain's FTSE 100 index opening up 10-38 points on Wednesday, or 0.2-0.6 percent, with futures up 0.2 percent ahead of the cash market open, a day ahead of a crucial vote by the British public on the UK's membership in the European Union.
* The UK blue chip index closed up 0.4 percent at 6,189.30 points on Tuesday, helped by a rebound in commodity stocks, as equities markets continued to price in a greater likelihood of Britain voting to stay in the EU.
* DEBENHAMS: Debenhams, Britain's second-largest department store group, reported a 0.2 percent fall in like-for-like sales in the 15 weeks to June 11, its fiscal third quarter, saying trading conditions had become more uncertain, particularly in clothing.
* BREXIT: Prime Minister David Cameron said Thursday's referendum on Britain's membership of the European Union was likely to be very close, according to a Financial Times interview.
Ryanair boss Michael O'Leary warned on Tuesday of a two to three-year economic downturn if Britain votes to leave the European Union.
U.S. banks including Bank of America Corp and Morgan Stanley are warning clients about the potential for extreme price moves as Britain prepares to vote on its membership of the EU.
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* HORNBY: British toymaker Hornby Plc said it would decrease its product lines by 40 percent and exit a majority of its concession agreements in the UK in a turnaround plan aimed at boosting its gross margins.
* OIL: Oil prices rose in Asian trading on Wednesday, with U.S. crude joining Brent above $50 a barrel after data from the American Petroleum Institute (API) showed a larger than expected draw on stocks.
* GOLD: Gold's sharp gains on uncertainty over Britain's European Union membership are likely to come to an end, regardless of whether Britons vote to leave or remain in Thursday's referendum.
* ICAP/TULLETT PREBON: British broker ICAP Plc has offered to sell its London-based oil desks to address competition concerns over the merger of its global hybrid voice broking business with Tullett Prebon Plc, Britain's competition watchdog said on Tuesday.
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