Tue May 20 16:20:00 UTC 2025: Here’s a summarized news article based on the provided text:

**Economic Times Roundup: From Market Crashes to Global Tensions**

**Mumbai, India** – The Indian stock market experienced volatility today, with the Sensex plummeting 800 points amid ongoing legal battles between Reliance Industries (RIL) and the government. In other market news, Protean eGov, known for its PAN services, saw its shares crash 20% after the government reportedly rejected its bid.

The Economic Times is also tracking several key international developments. Geopolitical tensions are simmering as Azerbaijan’s support for Pakistan could jeopardize USD780 million in trade. Khamenei has lashed out at Trump regarding potential nuclear talks, and the UK has reportedly pulled the plug on a planned trade deal with Israel. Meanwhile, Trump’s immigration policies remain a major story, with the Supreme Court allowing the deportation of 350,000 Venezuelans and concerns over the impact of his H-1B visa policies on Indian professionals.

In business news, the question of Adani’s US indictment and its effect on India’s fundraising is a question for many analysts. In other news, Huawei is launching a competitive OS, while the rise of lab-grown diamonds is a looming business question to analyze. Other top stories include:

* **Defense Sector Surge:** A defense stock linked to BrahMos has surged 45% in a month.
* **RBI’s AIF U-Turn:** An explainer on the Reserve Bank of India’s change in policy regarding banks and NBFCs investing in Alternative Investment Funds (AIFs).
* **Azim Premji’s Aviation Bet:** A look into why Azim Premji is venturing into the aviation sector, despite Warren Buffett’s historical reluctance.

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