FOREX-U.S. dollar, yen rise after Trump's positive COVID test

    * Dollar and safe-haven yen up amid sell-off of risky assets
    * Commodities-exposed currencies under pressure
    * U.S. jobs growth slows in September
    * Graphic: World FX rates in 2020

 (Adds new comment, U.S. data, FX table, updates prices, changes byline, dateline; previous LONDON)
    By Gertrude Chavez-Dreyfuss
    NEW YORK, Oct 2 (Reuters) - The safe-haven yen and dollar rose on Friday after President Donald Trump
tested positive for COVID-19, rattling investors just a month before November's U.S. presidential
    Data showing U.S. nonfarm payrolls rising less than expected in September, but with a drop in the
unemployment rate, had little impact on currencies as markets were more focused on Trump's health.
    Trump, who had played down the threat of the coronavirus pandemic for months, said on Friday he and
his wife Melania had tested positive for COVID-19 and were going into quarantine, upending the race for
the White House.
    The news sparked a sell-off in European stocks, before they pared some of their losses, and on Wall
    The yen made its sharpest gain in more than a month to reach a one-week high of 104.95 and was last up
0.3% on the day at 105.27 yen to the dollar.
    Implied volatility gauges for the yen rose to a four-week high of 7.6 vols over the next
month, signaling more choppy trading ahead.
    "Trump's positive COVID test is negative for risk sentiment because there is tremendous uncertainty,"
said Greg Anderson, global head of foreign exchange strategy at BMO Capital Markets in New York, adding
that the 74-year-old president's health could worsen because of his age, or he could get sympathy votes. 
    "But until we get clarity, the safe havens will continue to surge," he added.
    Currencies seen as riskier bets fell across the board, with a fall in oil prices also pressuring the
commodities-exposed Russian rouble, South African rand and Australian dollar.
    Data showing slowing U.S. employment had marginal FX impact, but it underscored the challenges the
economy faced as it tries to emerge out of the recession.
    In the last monthly employment report before the Nov. 3 presidential election, the Labor Department on
Friday said nonfarm payrolls increased by 661,000 jobs last month after advancing 1.489 million in August.
Economists polled by Reuters had forecast 850,000 jobs were created in September.
    "The participation rate fell to 61.4%, suggesting that workers are giving up on the job search and are
leaving the labor force," said Karl Schamotta, chief market strategist, at Cambridge Global Payments in
    "Overall payrolls remain roughly 10.7 million jobs short of levels that prevailed in February - and
the rate of improvement could continue to slow in the months to come as a fall in government stimulus
spending cuts income and consumption levels."    
    In midmorning trading, the dollar rose 0.1% against a basket of six major currencies to 93.815,
but remains down 0.8% for the week - its biggest weekly drop since late August. 
    The euro fell 0.3% to $1.1716.
    Currency bid prices at 10:01AM (1401 GMT)
 Description      RIC         Last           U.S. Close  Pct Change     YTD Pct     High Bid    Low Bid
                                              Previous                   Change                 
 Euro/Dollar      EUR=        $1.1714        $1.1747     -0.28%         +4.49%      +1.1750     +1.1697
 Dollar/Yen       JPY=        105.2900       105.5000    -0.20%         -3.28%      +105.6600   +104.9500
 Euro/Yen         EURJPY=     123.32         123.95      -0.51%         +1.12%      +124.0000   +123.0300
 Dollar/Swiss     CHF=        0.9205         0.9183      +0.24%         -4.89%      +0.9218     +0.9182
 Sterling/Dollar  GBP=        1.2929         1.2889      +0.31%         -2.49%      +1.2953     +1.2839
 Dollar/Canadian  CAD=        1.3314         1.3287      +0.20%         +2.53%      +1.3330     +1.3277
 Australian/Doll  AUD=        0.7164         0.7183      -0.26%         +2.04%      +0.7189     +0.7132
 Euro/Swiss       EURCHF=     1.0781         1.0788      -0.06%         -0.65%      +1.0796     +1.0769
 Euro/Sterling    EURGBP=     0.9056         0.9111      -0.60%         +7.12%      +0.9123     +0.9045
 NZ               NZD=        0.6632         0.6645      -0.20%         -1.54%      +0.6654     +0.6615
 Dollar/Norway    NOK=        9.3014         9.3057      -0.05%         +5.96%      +9.4077     +9.2927
 Euro/Norway      EURNOK=     10.8970        10.9278     -0.28%         +10.77%     +11.0259    +10.8940
 Dollar/Sweden    SEK=        8.9182         8.9129      -0.23%         -4.59%      +8.9637     +8.8870
 Euro/Sweden      EURSEK=     10.4510        10.4752     -0.23%         -0.17%      +10.5090    +10.4240
 (Reporting by Gertrude Chavez-Dreyfuss; additional reporting by Iain Withers; editing by Jonathan Oatis)