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Clean Science & Technology: When a Broker’s Fat Finger Made the Stock Go on a Rollercoaster

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On August 21, 2025, the otherwise calm waters of Clean Science & Technology Ltd (NSE: CLEAN, BSE: 543318) turned into a choppy tide, thanks to what the Street politely calls a “punching error.” Translation? A broker fat-fingered the keyboard during a block deal, and suddenly the stock was trading with unusually heavy volumes, leaving traders scratching their heads and WhatsApp groups buzzing with conspiracy theories.

The company, in a clarification to NSE and BSE, basically said: “Relax guys, nothing shady here—it was just Spark Institutional Equities Private Limited (SIEPL) pressing too many buttons.”


What Actually Happened

  • Promoters Selling Stake: The Boob family (yes, that’s their real surname—Mr. Ashok Boob, Mr. Krishnakumar Boob, Mr. Parth Maheshwari and their group) had already informed exchanges back in July 2025 about their plan to sell ~24% stake.
  • Execution Day Chaos: On August 21, through brokers including SIEPL, the promoters
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