Russia has successfully built MC-21, its first-ever 100% sanctions-proof plane that can carry up to 211 passengers. It flew for one hour and 23 minutes during its first test flight and reached speeds of 600 km/hour at an altitude of 6,000 metres. First launched in 2009, MC-21 was originally slated for mass production in 2016, but sanctions delayed the timeline.

OpenAI hit back at Apple's trade secrets lawsuit, saying it arises from Apple's failure to manage system access after employees leave. "Former employees trying to do the right thing when they leave still have access to files despite not wanting them or being aware of them," it said. Apple has sued OpenAI and two ex-Apple employees for stealing confidential information.

OpenAI has faced backlash for hosting influencers at a nature-focused resort where rooms begin at $2,000/night (around ₹2 lakh). The two-day "OpenAI Summer Camp" featured AI tool sessions and outdoor activities, including beekeeping. Critics called the event "tone deaf", with one saying, "The irony of them hosting this in nature when they are absolutely wrecking nature all over the world."

A UK-based businessman lost £14,244 (nearly ₹16 lakh) after fraudsters used his Metro Bank debit card, linked to his Anthropic account, to buy Claude credits. The bank, which had initially flagged transaction but failed to stop subsequent payments, initially reimbursed him and sought refund from Anthropic. The AI startup later refunded the man directly, allowing bank to recover its payment.

OpenAI released internal iMessages showing its engineer Chang Liu, a former Apple employee accused of stealing confidential files, was contacted by ex-colleagues after leaving the company. The messages show Apple employees sought Liu's help locating files and recalling technical information. OpenAI accused Apple of making "vague accusations" and termed the lawsuit "aggressive and oddly personal".

Merchant Discount Rate (MDR) is a fee paid by merchants to banks or payment service providers each time a customer makes a digital payment. It is shared among the cardholder's bank, the merchant's bank, and the UPI network. The Finance Ministry has proposed removing the legal provision that bars banks and payment service providers from charging MDR on UPI transactions.

Ministry of Petroleum and Natural Gas dismissed reports of fuel adulteration on Tuesday, stating that fuel quality is monitored on regular basis. It said out of 2,000 samples, two cases of chloride contamination were found after which the pumps were immediately suspended. The ministry added that water ingress testing is done in more than 87,000 outlets around 12 times daily.

Samir Modi, a member of the family that owns Godfrey Phillips India, has withdrawn all legal cases against his mother, Bina Modi. Samir had claimed in 2024 that Bina had beaten him up at a board meeting amid their ₹11,000-crore inheritance battle. "I don't want to fight...I don't like conflicts. I'm not a fighter. I'm a builder," Samir told ET.

Shares of Paytm parent One 97 Communications rose in early trade on Tuesday after a block deal worth about ₹2,038 crore. Around 1.49 crore shares, or 2.32% of the company's equity, changed hands at ₹1,368 apiece, a discount to the previous close. The stock gained 2.60% after ending nearly 5% higher in the previous session.

Several new-age companies are cutting IPO valuations and issue sizes as investors become more cautious about pricing high-growth technology firms. Zepto halved its target valuation to about $2.5 billion and reduced its IPO size before pausing its listing, while PhonePe explored a lower valuation. Among firms that listed this year, Amagi, Fractal Analytics, and Turtlemint accepted valuation cuts.