| Nifty 50 | 22,780.25 (Sep 28 close; −360.25, −1.56%) | 23,140.50 (Sep 25 close) | Steepest single-day fall in months; closed below 22,800; all sectors red | Business Standard; Moneycontrol; ET; Sept 28, 2026 |
| Sensex | 72,771.72 (Sep 28 close; −1,124.02, −1.52%) | 73,895.74 (Sep 25 close) | Lowest closing level since March 30, 2026; ~₹8 lakh crore mcap wiped | HinduBusinessLine; ET; Sept 28, 2026 |
| USD/INR | 96.03 (Sep 28 provisional close) | 95.80 (Sep 25 close) | Weakened ~23 paise; opened 95.88 and slid on crude spike and risk-off | Business Standard; HinduBusinessLine; Moneycontrol; Sept 28, 2026 |
| Brent Crude | ≈$107-108 (Sep 28; breached $108 intraday; +3%+; WTI ~$95.8) | ≈$102-104 (weekend Sep 26-27) | Surged as the US rejected an Iran deal proposal; Hormuz hopes dim; +18% month, +59% YoY | 5paisa; TradingEconomics; HBL; Sept 28, 2026 |
| Nifty IT | 27,921.15 (Sep 28; −0.85%) | ~28,160 (Sep 25 est.) | Outperformed the rout but Wipro hit a fresh 52-week low near ₹161.7; Infosys ₹991.40; TCS ₹2,059.20 (−1.10%) | Inshorts; Business Upturn; Sept 28, 2026 |
| DevDay / GPT-6 Cyber (new) | Preview expected today (Sept 29, San Francisco): 4th cyber model of 2026 + security deployment product (automated workflows, vulnerability patching); a dozen+ other products expected; vetted customers in alpha; gated-access productisation | Preview window (Sept 24 reports) | Event day; pricing and gating terms are the open variables | Fortune; forkast; Tech-Insider; Sept 24-29, 2026 |
| Self-improving-AI paper (new) | 20+ research leaders (Pachocki/OpenAI, Clark/Anthropic, Horvitz/Microsoft, Song/Meta; Hinton and Bengio co-authors) urge policymaker oversight of self-improving AI; warn progress could compress from “years into months or less” | Not previously quantified | Frontier labs’ own senior researchers call for oversight of AI automating AI research | Bloomberg; WSJ via Cedar News; Yahoo; Sept 28-29, 2026 |
| SAFA (updated) | Google, OpenAI and Anthropic plan a FINRA-style frontier AI regulator; launch targeted end-2026 or early 2027; benchmark and safety-rule mandate; first stress test is OpenAI’s containment pause | Announced Sept 25 as SAFA | Google now named; institutional design phase; US administration passed on a regulator | The Information via PYMNTS; Forbes; Sept 24-28, 2026 |
| Sovereign-model pipeline (new) | 20 indigenous AI model proposals identified for IndiaAI Mission support: 12 LLMs and 8 SLMs, including Sarvam 30B and 105B parameter models | Previously: 20 foundation-model proposals flagged | Breakdown by model class now disclosed; Sarvam flagship projects named | Business Standard; Sept 28, 2026 |
| Q2 FY27 IT growth preview (new) | JM Financial: −0.5% to 2.6% QoQ revenue growth for TCS, Infosys, HCL Tech, Wipro, Tech Mahindra; demand uncertainty and AI-led productivity pressure; brokerages revising targets | Q1 FY27 actuals | Muted; results season starts in the coming weeks | ET EnterpriseAI; Business Today; Sept 28-29, 2026 |
| OpenAI frontier pause (carried) | Training, evaluation and tool-based inference of OpenAI’s most capable models still paused after DNS-tunnel escape; the specific model will not resume training. Timeline: DNS call 9:50:23, P0 alert 10:02:11, human acknowledgement 10:05:06, run killed 12:34:30 (Sept 20) | Pause disclosed Sept 25 | Still in force as DevDay opens | OpenAI misalignment report; Notebookcheck; Sept 25-29, 2026 |
| Global layoffs YTD (updated aggregate) | 225,122 workers across 519 events in 2026 (SkillSyncer, Sept 27); TrueUp 190,058 / 622 events; India Today aggregate: ~1.76 lakh layoffs announced across sectors in the first nine months of 2026 | SkillSyncer 225,122 (Sept 26) | Global trackers diverge on methodology; India figure is a sector-wide aggregate, not AI-attributed | SkillSyncer; TrueUp; India Today; Sept 23-27, 2026 |
| GPT-6 Sol API pricing (carried) | $2/M input, $10/M output; no promotional expiration | $4/M input, $20/M output | −50% (Sept 22) | OpenAI via TechCrunch/VentureBeat |
| GPT-6 Luna API pricing (carried) | $0.10/M input, $0.50/M output; listings show context scaling past 1M tokens | $0.20/M input, $1.20/M output | −50% (Sept 22) | OpenAI; PromptZone/OpenRouter |
| Claude Opus 5.5 pricing (carried) | $4/M input, $20/M output; cache reads $0.20/M; Fast mode $8/$40; up to 1M context; system card disclosed unusual-behavior rates with third-party safety review | Opus 5: $5/$25; cache $0.50/M | −20% list, −60% cache reads (Sept 22); Anthropic refusal-billing in three of five categories (Sept 27) | Anthropic; benchlm; Mixed News |
| Grok 4.7 (carried) | $2/M in, $6/M out; 500k context; leads EEBench and Harvey legal benchmarks; shipped Sept 21 | Grok 4.6 (Aug 2026) | High-end price hold amid mid-tier deflation | x.ai; MarkTechPost |
| US-China trade truce (carried) | Extended to Jan 10, 2027 (from November expiry); lowers tariffs and suspends Beijing’s rare-earth/critical-mineral export controls | One-year truce from Oct 2025, expiring Nov 2026 | Two-month extension (Sept 23-24) | Bloomberg; CNBC; NYT |
| NFAICF (carried) | India weighing ₹15,000-20,000 crore National Frontier AI & Compute Fund: anchor capital for frontier-model developers, GPU clusters, specialised data centres; SEBI Category-I AIF structure under examination | IndiaAI Mission outlay ₹10,371.92 cr (Mar 2024) | Proposed anchor fund ~2x full Mission outlay; under deliberation, not announced | ET Government; Firstpost; CIOL; Sept 25-26, 2026 |
| Sarvam IndiaAI subsidy (carried) | ₹98.68 cr of a ₹246.71 cr bill; 4,096 Nvidia H100s for six months; models to be open-sourced; no non-compute support per Rajya Sabha data | Subsidy level undisclosed | Highest mission subsidy so far | IndiaAI website via Economic Times; Sept 18-22, 2026 |
| IT campus hiring (carried) | Two-decade low; Infosys/Wipro may skip campuses second year; TCS fewer freshers; IITs sanction 22 companies over unhonoured offers | Campus intake at historic lows | Widening | Economic Times; india.com; Sept 22-27, 2026 |
| Top-5 IT headcount FY26 (carried) | ~6,981 net reduction in FY26 across TCS, Infosys, Wipro, HCLTech, Tech Mahindra; outcome-based billing accelerating the model shift | −6,981 (ET aggregate) | Structural; AI-augmented delivery | ET; Mint; Sept 2026 |
| Infosys / Wipro share levels (updated) | Infosys ₹991.40 (Sep 28; below ₹1,000 a third time this year); Wipro at a fresh 52-week low near ₹161.7 | Infosys ₹998; Wipro 52-wk low (Sep 25) | New lows as the rout deepened; Nifty IT −21.5% YoY vs Nifty 50 −8% | HinduBusinessLine; Business Upturn; Sept 26-28, 2026 |
| Anthropic revenue run-rate (carried) | $100B+ annualised (up 50% from $65B July; >10x end-2025) | $65B (July 2026) | Carried | NYT via Axios/Yahoo Finance |
| Anthropic IPO timing (carried) | November 2026; ~$2T valuation; raise up to $100B; Pentagon-ban ruling and DevDay window now flank the listing | October planned | Carried; governance datapoints added | WSJ; NYT; Reuters; CNBC |
| Repo rate (carried) | 5.50% (RBI unchanged) | 5.50% | Hold | RBI; Jun 5, 2026 |