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Bergs wins Eastbourne final to clinch first ATP title
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Ravindra and Mitchell strengthen New Zealand's grip on England decider
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Iran warns challenge to Hormuz routes will spike Middle East tensions
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BIS warns 'pressure points' putting global economy at risk
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From rubble to music: Gaza's Oud repairman
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Ntamack aims to bring Toulouse Top 14 win 'energy' to Nations Championship campaign
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Cycling industry bets on smart bikes to boost sales
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'High-strung' camels race in Australian outback
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In Idaho, the next generation of US nuclear reactors nears reality
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Algeria and Austria reach World Cup knockouts after 3-3 thriller
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Africa the winner of expanded World Cup amid mixed fortunes for minnows
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DR Congo advance but Iran out as wild World Cup group stage wraps
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Asia's vendors grapple with rising costs of ever-present plastics
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Austria and Algeria reach World Cup knockouts after 3-3 thriller
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Messi scores again as Argentina head into World Cup last 32 on a high
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Where are they? Dogs disappear before South Korea meat ban
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Wissa proud to deliver World Cup joy to war-torn DR Congo
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China's bull wrestlers fight to keep tradition alive
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South Korea's 'dismal' World Cup ends in group phase
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England top group to set up DR Congo World Cup clash, Portugal held
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Colombia and Portugal through to World Cup last 32 after thrilling draw
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England moving on at World Cup but questions linger
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Wissa sends DR Congo into World Cup last 32 clash with England
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Venezuela quakes kill 1,400 as time running out to find survivors
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A painful wait by a pile of rubble in quake-hit Venezuela
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Australia World Cup goalkeeper Patrick Beach has beach named after him
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Tuchel delighted to have Bellingham in 'sweet spot' for England at World Cup
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Take brutally hot weather seriously, heatstroke survivor warns
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Bellingham says 'job done' but England must improve at World Cup
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Australia boosts shark-spotting drone coverage at Sydney beaches
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Trump threatens to annihilate Iran after new exchange of attacks
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Scotland boss Clarke resigns after World Cup exit confirmed
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Scotland boss Clarke resigns after World Cup exit confirmed: official
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Kane, Bellingham on target as England win World Cup group
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Kane, Bellingham on target as England clinch top spot
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Croatia battle past Ghana to sew up World Cup Last 32 spot
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Bellingham, Kane score as England beat Panama to reach World Cup last 32
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US, Iran clash, putting fragile deal under growing strain
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Canada's Davies 'available' for historic knockout clash
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Ryu takes one-shot lead over Henderson at Women's PGA Championship
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Hovland seizes one-shot PGA Travelers lead over Scheffler
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Jangoo and Chase put West Indies in control against Sri Lanka
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Mauvaka double inspires Toulouse to fourth-straight Top 14 in storm-impacted final
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World Cup star Gakpo requests privacy after death of unborn son
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Solidarity, sadness among Venezuelans made destitute by quake
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Aid planes landing at partially reopened Venezuela airport after quakes
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Iran says US violated peace deal as both sides attack
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Spain's Williams hits out at Uruguay over World Cup injury
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'We need help': Venezuelans furious at slow official response to quakes
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World's largest particle smasher halts for upgrade to boost hunt for dark matter
Markets rally fades as traders nervously await Powell speech
Asian markets drifted between gains and losses Wednesday with traders struggling to maintain momentum from the previous day's much-needed bounce as they contemplate an extended period of elevated interest rates.
Sentiment has taken a hit in recent weeks owing to a spike in US Treasury yields to around 15-year highs, fuelled by expectations that a strong economy will allow the Federal Reserve to stick to its campaign of monetary tightening.
That has forced investors to push back their expectations of when borrowing costs will eventually come down, having just a few months ago been betting on a cut by the end of the year.
All eyes are on a planned speech Friday by Fed chief Jerome Powell, with dealers hoping for some clarity on its plans to keep inflation on a downward path and held at the bank's two percent target.
Forecasts are for a reiteration of his previous remarks that the goal is taming prices, even with rates already at 22-year highs.
"It's not the height of rates that matters as much as how long they stay high," said Tom Essaye, founder and president of Sevens Report Research.
"If we see Powell hint at higher for longer on Friday, we will need to brace for more equity market volatility."
Investors are also awaiting earnings from Nvidia, which is tipped to post forecast-busting revenue in the second quarter thanks to the surge in demand for its processors used in developing artificial intelligence applications.
The firm's shares have rocketed this year, helping boost many other tech firms, even as traders fret over the impact of higher borrowing costs on their bottom lines.
Tech companies are largely susceptible to elevated rates owing to their use of debt to fuel growth.
However, National Australia Bank's Rodrigo Catril said: "There are some concerns the chipmaker may have experienced supply constraints against what seems to be an unquenchable demand for its products.
"Nvidia's performance is seen by many as a potential bellwether for the IT sector and markets in general."
A rally in Nvidia helped propel gains in global markets earlier this week, though traders could not keep up the buying owing to ongoing rate worries.
While the Nasdaq edged up slightly, the S&P 500 and Dow fell.
And Asia fluctuated throughout the morning.
Hong Kong, Tokyo, Sydney, Singapore, Wellington and Taipei were slightly higher but Shanghai, Seoul and Manila fell.
China's economic woes also continue to have a negative impact on risk sentiment, with the main cause of worry being its sputtering property sector.
Real estate titan Country Garden -- which is drowning in a sea of debt -- stands on the verge of default, fuelling worries of contagion throughout the financial system domestically and possibly globally.
While Beijing has introduced some measures to stimulate the economy and support developers, they have been piecemeal and met with a shrug by investors, who are calling for a wide-ranging stimulus.
Alicia Garcia Herrero at Natixis said the best way to help would be to ease tough restrictions imposed on the industry in 2020 to stop speculation and wide-ranging borrowing.
She added: "Chinese policymakers should focus on limiting potential spillovers into the financial sector and thereby systemic risk. The longer they wait to do so, the bigger the cost will be."
- Key figures around 0300 GMT -
Tokyo - Nikkei 225: UP 0.3 percent at 31,962.99 (break)
Hong Kong - Hang Seng Index: UP 0.3 percent at 17,838.79
Shanghai - Composite: DOWN 0.6 percent at 3,101.12
Dollar/yen: DOWN at 145.68 from 145.85 yen on Tuesday
Euro/dollar: UP at $1.0855 from $1.0851
Pound/dollar: UP at $1.2741 from $1.2729
Euro/pound: UP at 85.19 pence from 85.16 pence
West Texas Intermediate: UP 0.2 percent at $79.77 per barrel
Brent North Sea crude: UP 0.1 percent at $84.10 per barrel
New York - Dow: DOWN 0.5 percent at 34,288.83 (closed)
London - FTSE 100: UP 0.2 percent at 7,270.76 (close)
F.Ramirez--AT