The government has hiked windfall gains tax on exports of petrol, diesel and ATF from August 3. The tax on diesel exports has been hiked from ₹15.5/litre to ₹24/litre, while that on ATF exports has been hiked from ₹14.5/litre to ₹22/litre. Duty on petrol exports has been raised from ₹2.5 per litre to ₹3.5 per litre.

Amazon surpassed $3 trillion in market capitalisation for the first time on Monday, becoming only the fifth company to reach the milestone. Shares of the e-commerce giant rose over 5% to a record high of $286 in early trading. The stock had also surged 15% on Friday after the company reported its strongest cloud growth in more than four years.

In a post, a startup's Founder said, "We imported two Nvidia Jetsons. It's been held up at Customs for two weeks now. Reason? They want us to give them three certificates...The thing is, it doesn't apply to us." "Building in India is an absolute pain in the a**," he added. The consignment got cleared after his post.

Sarvam AI's board has approved raising $74 million (around ₹700 crore) from NVIDIA, Glade Brook Capital and other investors, according to regulatory filings. The funding is part of the Indian AI startup's Series B round, under which it previously raised $234 million. According to Entrackr, the latest investment will value Sarvam AI at around $1.51 billion on a post-money basis.

Indian-origin entrepreneur Balaji Srinivasan, who plans to start a new country for techies by building Network School, has been asked to shut his institution in Malaysia. Srinivasan announced he's moving his new country's plans to Kazakhstan, hours after his school was ordered to shut down. Malaysia issued the order over online allegations that Israeli nationals had joined the Network School.

Blackstone-backed Aadhar Housing said it does not expect to raise fresh capital for at least the next four years, citing a capital adequacy ratio of 40%. CEO Rishi Anand said the company aims to grow its loan book by 20-22% annually and add 50 branches each year through FY27. It currently operates 628 branches, mainly in smaller towns.

Google has reduced the scope of a major IT contract with HCLTech by about one-fourth, cutting work worth nearly $50 million (₹477 crore), The Economic Times reported. The reduction affects a project valued at around $200 million annually and reflects rising automation and AI-driven efficiencies. Around 1,000 employees on the Google account will be redeployed to other roles within HCLTech.

South Korea's AI-driven stock rally turned into a $2 trillion (around ₹190 lakh crore) market wipeout as margin calls triggered forced selling. With India's margin trading book surging to ₹1.44 lakh crore, experts urge investors to avoid excessive leverage, diversify holdings, size positions carefully and use borrowed money only for stocks they can confidently hold through market volatility.

Zepto's unlisted shares have fallen nearly 23% over the past five trading sessions, bringing its implied valuation to around $3.5 billion. The decline comes after the company paused its planned IPO and opted for a pre-IPO private placement. Zepto is looking to raise about ₹1,000 crore, while its share price dropped from ₹31 to ₹27 in a week.

IIRM Holdings India has raised ₹150 crore through a mix of equity shares and fully convertible warrants. The investment round was led by Carpediem Capital and Sanshi Fund-I, subject to approvals. The company plans to use the funds for business expansion, acquisitions, capital expenditure and working capital as it scales insurance distribution and risk advisory operations.