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BYD stock jumps in Hong Kong; U.S. ADR in focus after “flying car” rumor denial
29 December 2025
1 min read

BYD stock jumps in Hong Kong; U.S. ADR in focus after “flying car” rumor denial

NEW YORK, December 28, 2025, 23:08 ET — Market closed

  • BYD’s Hong Kong-listed shares were last up about 6% at roughly HK$99.65 in Monday trade.
  • The automaker’s U.S.-traded ADR last closed up 4.2% at $12.50 on Friday.
  • A BYD executive denied an online rumor the company would launch a flying car.

BYD Co Ltd shares were last up about 6% in Hong Kong on Monday, trading around HK$99.65. The company’s U.S.-traded ADR, a certificate that represents foreign shares, last ended up 4.2% at $12.50 in Friday’s session.

The move comes into the final trading days of the year as risk appetite firmed across Asia on expectations of U.S. interest-rate cuts in 2026, lifting regional equities.

China policy signals are also in focus after the finance ministry said fiscal policy would be more “proactive” in 2026 as Beijing tries to bolster domestic demand. Reuters

Hong Kong stocks have been buoyant into year-end, with the city’s financial secretary recently lifting the 2025 growth forecast to 3.2% in a blog post.

Trading in Hong Kong resumed after the market closed for Christmas Day and the following session, with Christmas Eve designated as a half-day.

Over the weekend, BYD moved to quash online speculation that it was preparing to enter flying cars. Li Yunfei, general manager of BYD’s brand and PR office, wrote on Weibo: “This news is false information! We don’t have such plans and arrangements.” Moomoo

The rumor referenced BYD’s ultra-luxury Yangwang brand and circulated through short online videos and posts, which the executive said prompted multiple inquiries.

Investors have treated China’s automakers as a high-beta trade on policy and consumer demand, after years of aggressive price competition that has squeezed margins across the sector.

BYD’s Hong Kong shares were last indicated in a HK$96.90 to HK$99.80 range for the session, according to market data.

Before next session

In the U.S., traders will watch whether BYD’s ADR reacts to the Hong Kong move when markets reopen, after Friday’s $12.18 to $12.59 intraday range.

On the macro front, the Federal Reserve is scheduled to publish minutes from its Dec. 9–10 meeting on Tuesday at 2:00 p.m. ET.

China’s December purchasing managers’ index (PMI) — a survey-based gauge of factory activity — is due in the coming days, a release that can sway sentiment toward mainland-linked stocks and exporters.

Technically, BYD’s U.S. ADR has been hovering around the $12 handle, with traders eyeing Friday’s $12.59 high as a near-term resistance point and $12.18 as a nearby support level.

Stock Market Today

  • Tempus AI's Stock Volatility: Is It Undervalued at Current Prices?
    May 8, 2026, 8:13 AM EDT. Tempus AI (TEM) has experienced notable share price volatility, falling 10.9% over the past week and down 24.2% over the last year. The stock's performance contrasts with its 30-day 5.6% gain. Investors are factoring in growth ambitions against execution risks amid shifting market sentiment toward healthcare AI firms. A discounted cash flow (DCF) analysis valuing projected future cash flows estimates Tempus AI's intrinsic value at $108.52 per share, suggesting the stock trades at a substantial 54.5% discount and could be undervalued. However, its price-to-sales ratio of 6.51x surpasses both sector (3.45x) and peer averages (4.03x), indicating the market expects higher growth but also reflecting elevated risk. The mixed valuation signals highlight the challenge in separating opportunity from volatility on TEM shares.

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