By V. Phani Kumar, MarketWatch

HONG KONG (MarketWatch) -- Most Asian markets fell Friday on caution ahead of the U.S. nonfarm payrolls data, while Japanese stocks dropped for a third straight day as exporters came under pressure from the yen's sharp gains overnight.

Australia's S&P/ASX 200 dropped 0.9% and South Korea's Kospi ended 1.8% lower. Hong Kong's Hang Seng Index shed 1.4% in afternoon trade, entering a so-called correction territory, having dropped 10% from a recent peak.

Friday's broad regional declines came amid some fears related to the U.S. jobs data, with analysts at Barclays saying "it appears that markets are positioning for a weaker number." Economists surveyed by MarketWatch were expecting an addition of 173,000 U.S. jobs in May, up from 165,000 in April.

"All eyes will be on the U.S. jobs report today ... as the market adjusts their expectations of the [Federal Reserve's] tapering timing. Ahead of the releases, investors will likely stay on the sidelines," said Anthony Lam, a strategist at Crédit Agricole.

China's Shanghai Composite reversed early gains and fell 1.4% in afternoon trade, staying on course for a seventh straight day of losses. The drop came ahead of a long weekend, and before the release of a slew of economic data over the next three days, including monthly inflation and exports.

Mainland Chinese markets were slated to close Monday through Wednesday for the Dragon Boat Festival. Australian markets were also set to close on Monday for a national holiday.

Japan roller-coaster

Meanwhile, Japan's Nikkei Stock Average (USDJPY) ended the day 0.2% lower at 12,877.53 after another roller-coaster ride that moved the benchmark in a wide range between 12,548.20 and 13,106.20.

The benchmark had earlier in the day suffered a bigger drop to record losses of more than 20% from the peak it reached on May 23, entering a so-called bear-market territory. The broader Topix skidded 1.9%.

A Dow Jones Newswires report said a hedge fund run by billionaire investor George Soros was back placing bets in Japan, shorting the yen and snap up local stocks.

Meanwhile, the U.S. dollar (USDJPY) traded under Yen97 for most of the trading day in Tokyo, after dipping below Yen96 overnight -- more than 2 full yen under the Yen99.18 mark it held just before stock trading in Japan ended Thursday.

The yen's rally against the dollar (DXY) was accompanied by similar moves in other major currencies, including the euro (EURUSD) and the Australian dollar (AUDUSD) , after European Central Bank President Mario Draghi signaled further monetary easing measures were on the back burner for the moment.

Still, some analysts said a surprise improvement in U.S. employment could just as swiftly reverse the dollar's Thursday drop.

"If payrolls surprise to the upside and print at 175,000 or better, all of the liquidation of dollar-long positions that we saw today, particularly in the [dollar-yen] could be reversed quickly and aggressively, with the pair potentially trading back above Yen98 in a blink of an eye," said BK Asset Management managing director Kathy Lien.

Stock movers

Exporters in Japan took a hit from fears over the impact on their earnings from a strengthened local currency.

Toyota Motor Corp. (TM) lost 2.8%, Mazda Motor Corp. (MZDAY) shed 2.6%, Toshiba Corp. (TOSYY) retreated 3.4%.

In Sydney, the drop came amid worries over the local economy. The S&P/ASX ended the day nearly 10% lower from the 52-week high it set last month.

"There is a sense that Australia could move into recession in early 2014, as the response to the 200 basis-point rate cuts over the last 18 months has seen almost no change in the habits of the Australian consumer," said IG Markets strategist Evan Lucas.

Shares of Newcrest Mining Ltd. (NCMGF) plunged 7.6% after the miner said it expected to write down up to 6 billion Australian dollars ($5.7 billion) due to previous weakness for the metal. The drop came despite an increase in gold futures overnight.

Airline stocks suffered, however, after the Australian Financial Review reported that Air New Zealand Ltd. was seeking permission to further raise its stake in Virgin Australia to 26 %, sparking takeover speculation.

Virgin Australia Holdings Ltd. (VBHLF) retreated 4.5%, while larger rival Qantas Airways Ltd. (QUBSF) dropped 2.7%. But in Wellington trade, Air New Zealand (AIR.NZ) climbed 2%.

In Hong Kong, heavyweight HSBC Holdings PLC (HBC) dropped 1.6% to weigh on the broader market, although several beaten-down stocks bounced: China Coal Energy Co. (CCOZY) gained 1.4%, and mobile service provider China Unicom Hong Kong Ltd. (CHU) rose 0.8%.

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