ChatGPT Starts Showing Ads: What Users Need to Know

ChatGPT is entering a new phase of its business model. OpenAI has introduced advertising in ChatGPT, giving eligible users another way to access the AI service while creating a new revenue stream for the company. The change is significant because ChatGPT has traditionally operated mainly through free access, subscriptions and business products. Advertising could now

Closing Auction Session (CAS): How NSE and BSE Determine Stock Closing Prices

The Closing Auction Session (CAS) is a new mechanism introduced in India’s stock market to determine the official closing price of eligible stocks. The system is now used by both the National Stock Exchange (NSE) and BSE CAS became effective from August 3, 2026, initially covering stocks in the cash market that have derivatives contracts available. It replaced the earlier closing-price

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