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December 20, 2025

Airlines cancel 129 flights in Delhi amid fog

Amid dense fog and low visibility in Delhi and adjoining areas, flight operations continue to be impacted in the national capital for several consecutive days. Airlines cancelled 66 arrivals and 63 departures, a total of 129 flights from the Indira Gandhi International (IGI) Airport on Saturday.IndiGo cancelled 22 Delhi flights, including arrivals and departures, with a total of 82 flight cancellations on Friday, without citing any reason. The airline, in an early morning advisory, said that flight schedules might be impacted in Ranchi, Jammu and Hindon due to low visibility and fog.In an advisory issued on Saturday morning, the Delhi Airport authority said that low visibility procedures are in progress.'Very poor' air qualityMeanwhile, Delhi's air quality deteriorated on Saturday morning,

December 20, 2025

China rare-earth magnet exports hit new high

China's exports of rare-earth magnets rose to ‍the second-highest level on record in November, the first full month ⁠after the U.S. and China agreed to streamline exports of the elements. Exports hit 6,150 metric tons in November, according ‌to customs data ‌released on Saturday, up 12% from October and the highest since ‌the record 6,357 tons in January. China restricted exports of the specialised magnets used in weapons, cars and phones in April during the trade war unleashed by U.S. President Donald Trump, bringing parts of the global supply chain to a halt. Trump ‌said on ‍October 30 that he and Chinese ‍leader Xi Jinping had agreed at a summit ‌in South Korea to keep rare earths exports flowing in a deal in which he trimmed tariffs on Chinese goods. China's export vo

December 20, 2025

Stock market meets physics: 5 laws that explain why prices move the way they do

Markets often feel noisy, headline-driven and chaotic, but beneath the surface, price action tends to follow a far more structured playbook. Equity markets, much like physical systems, are influenced by a small set of forces that repeat across cycles, sectors and timeframes. By borrowing ideas from classical physics, market behaviour can be broken down into a few intuitive laws that explain why some stocks compound steadily, others stagnate for years, and many prices snap back to long-term averages despite strong narratives.A recent strategy note from Ambit Capital highlights these 5 laws, offering investors a structured way to cut through market noise and better understand the mechanics driving returns.Law 1: Newton's inertia – cheap needs a forceAmbit’s first law maps Newton’s iner

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