Quick notes: Jane Street | Hydrofoil ferry...

• Jane Street's cash machine came to an abrupt halt: Foreign funds and proprietary traders using algorithms made $7 billion in the 12 months to March 2024 alone. That bonanza may be coming to an end.
  
  
• Manipulating Indian derivatives markets: How US-based Jane Street siphoned Rs 36,000 cr from Indian markets.
  
  
• Indian casino is a train-wreck: Indian retail investor losses on derivative trades widened in 2024-25 by 41% to 1.06 trillion rupees. India is the world's largest derivatives market, accounting for nearly 60% of the equity derivatives traded globally in April.



• Prada on backfoot: High Fashion's habit of 'borrowing' from India isn't new. Prada's Kolhapuri chappals are just the latest

Prada is at Centre of GI tag violations for its flat leather sandals that bear a striking resemblance to traditional Kolhapuri chappals.

Indian shops sell it for ₹1,000 and Prada is selling it for ₹1 lakh.

Indian artisans need good marketing or else this theft will continue. pic.twitter.com/F3rkAa75Zr

— News Arena India (@NewsArenaIndia) June 28, 2025




• How America's Debt Spiral Could Spark The Next Crisis: America's debt problem is no longer linear; it is exponential.



• Ferries are making a comeback: Could the Electric Hydrofoil Ferry change the way we commute? “We see it as a blue superhighway that is still untapped”. Fast, sustainable mode of transit




• Unicorn: India's Rapido is outpacing global giants like Uber and Ola in user growth, while also achieving profitability . . . A ride-hailing unicorn is gaining users faster than Uber, disrupting the San Francisco titan’s effort to conquer a key growth market  



• AI's energy problem: Google’s carbon emissions went up again as its AI push continues



• Distress in Hi-tech jobs: Salesforce CEO Claims Half of the Company’s Work Is Now Done by AI



• One Way to Win Trump Over: Nominate Him for the Nobel Prize 



• The ‘Trump Pump’: How crypto lobbying won over a President. For years, cryptocurrency companies had endured a sweeping crackdown in Washington — a cascade of lawsuits, regulatory attacks and prosecutions that threatened the industry’s survival. Mr. Trump wasn’t an obvious sympathizer. He had once dismissed Bitcoin as a “scam.”