Yamaha Motor shares rocketed 13.4% on Tuesday, closing at 1,511 yen, after the company posted record first-half earnings and hiked full-year guidance. The surge cut through a Japanese market still reeling from currency chaos.

The numbers told the story. Revenue hit 1.498 trillion yen for January through June, up 17.2% year-over-year. Operating profit nearly doubled, climbing 88.6% to 158.5 billion yen. Net profit jumped even harder, soaring 114.7% to 113.9 billion yen. Motorcycles fueled the rally, particularly in Europe and America where demand stayed strong as the weak yen cut costs through most of the period.

Traders piled in. Volume exceeded 30 million shares, well above normal. The broader Nikkei 225 managed only 0.32%, recovering slightly from weeks of turmoil that began when the yen weakened to four-decade lows before Tokyo and Washington jointly intervened to prop up the currency.

That rebound, however, created fresh headaches. A stronger yen squeezed exporter margins and sparked selling. Treasury Secretary Scott Bessent is now pushing the Federal Reserve to expand its FIMA repo facility, which lets foreign governments borrow dollars using Treasury bonds as collateral. The tool lets central banks support their currencies without draining US debt markets.

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