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* FTSE 100 up marginally, FTSE 250 up 0.1%
* Berkeley jumps after revenue beat
* Saga at life low after poor trading update
* Fed policy statement awaited
June 19 (Reuters) - London's main bourse inched higher on Wednesday, helped by better than expected numbers from housebuilder Berkeley and a surge in Clydesdale and Yorkshire Banking Group CYBGC.L after it promised more savings from its buyout of Virgin Money (LON:VM).
The FTSE 100 index .FTSE , sharply higher on Tuesday along with other European markets on the back of a strong policy speech from European Central Bank chief Mario Draghi, edged 0.05% higher by 0707 GMT.
The midcap FTSE 250 was up 0.1%.
Housebuilder Berkeley BKGH.L leapt 6%, outperforming other blue-chips, after its fall in annual earnings fell well short of the worst of market expectations. That lifted rivals Taylor Wimpey TW.L , Persimmon PSN.L and Barratt BDEV.L by as much as 2%.
The biggest boost to the main index, however, came from oil majors and Asia-focussed financials on renewed hopes of a resolution to a long and painful U.S.-China trade war.
All eyes are now on the conclusion of the U.S. Federal Reserve's two-day meeting after markets close.