Nifty IT Surges 4% to Clock 8% Three-Day Rally: Rupee Depreciation, TCS AI Pivot, STT Cut News and Wall Street Drive the Run

The Nifty IT index has surged approximately 4 percent on 20 May 2026, completing a three-day bull run that has generated approximately 8 percent gains as the sector defies the broader market’s weakness driven by crude oil and geopolitical uncertainty. The three-day Nifty IT rally — approximately 2 percent on 15 May, 2.4 percent on 18 May and 4 percent on 20 May — has made IT India’s undisputed sector leader in the current market cycle and restored approximately Rs 60,000 crore in sector market capitalisation. Infosys, TCS, Tech Mahindra, Wipro, HCL Technologies, Coforge and Persistent Systems are leading the move.

Nifty IT Stock Performance Across the Three-Day Rally

• Nifty IT Index: Up approximately 4% on 20 May. Three-day cumulative gain approximately 8%.
• Tech Mahindra: Up 3% to approximately Rs 1,394 (three-day return exceeds 7%)
• Wipro: Up nearly 3% to approximately Rs 197 in today’s session
• LTIMindtree: Up over 3% in today’s rally (previous session: +2% to Rs 4,055.10)
• Infosys: Up as much as 3.39% to Rs 1,274.50 (Nuvama Buy, target Rs 1,650)
• TCS: Up nearly 3% (Nuvama Buy, target Rs 3,650; CEO confirmed 130 of 139 top clients chose TCS as AI partner)
• HCL Technologies: Up approximately 3%
• Coforge: Rallied up to 8-10% on 18 May on Q4 FY26 results (+30% revenue, $1.75B order book), extended gains on 20 May
• Persistent Systems: Up 3.21% on 18 May, momentum continuing
• All 10 Nifty IT constituents: In the green across all three sessions

Track live Nifty IT index and all IT stock prices on the Check the Univest Screener for live data.

Four Triggers Powering the Nifty IT Three-Day Rally

Trigger 1: Rupee at Record Low of 96.17-96.30 — Mechanical Earnings Tailwind

The primary and most direct driver of the Nifty IT rally is the Indian rupee’s crash to record lows — 96.17 on 18 May and 96.30 at the intraday low per BusinessToday — against the US dollar. Indian IT companies earn 80 to 85 percent of their revenues from overseas operations, primarily from the US, according to IndiaInfoline. When the rupee depreciates, every dollar of foreign revenue translates into more rupees on the income statement without any additional sales effort. Companies including Infosys, TCS, Wipro, HCL Technologies and Coforge are all directly and immediately benefiting from this currency tailwind.

The mathematical impact is significant. At Rs 96 per dollar versus Rs 85 a year ago, IT companies are receiving approximately 13 percent more rupees per dollar of US revenue earned. For a company like TCS with approximately USD 28 billion in annual revenue, a 13 percent rupee tailwind represents a meaningful boost to INR-reported earnings and margin improvement without any change in dollar-denominated business metrics.

Trigger 2: TCS AI Strategy — Repositioning the Structural Threat Narrative

TCS CEO K. Krithivasan’s letter to shareholders in the company’s FY26 annual report has become the single most important positive narrative for the Nifty IT sector this week. Krithivasan stated that FY26 marked an inflection point for enterprise AI, with customers decisively moving from experimental pilots to scaled deployments. He disclosed that 130 of TCS’s top 139 clients — those generating over USD 50 million in annual revenue — have selected TCS as their AI services partner.

This data point fundamentally challenges the narrative that had been dragging the Nifty IT index down — that AI would disintermediate Indian IT outsourcers. TCS’s disclosure suggests the opposite is happening: large global enterprises are turning to trusted Indian IT partners like TCS to help them implement AI at scale. TCS has upskilled over 2,70,000 employees with advanced AI capabilities, a threefold increase from the previous year, positioning itself as a full-stack AI services player.

Trigger 3: STT and FII Tax Cut News — Short Covering Catalyst

News circulating in the market about a potential reduction in Securities Transaction Tax (STT) and FII-applicable taxes has been driving short covering in heavily-shorted sectors. Per the Univest CEO’s 19 May morning video analysis, IT stocks had one of the highest short position concentrations in the market. When large institutional players began reducing shorts on this tax cut news, the mechanical buying in IT stocks amplified the fundamental rally being driven by rupee depreciation. FIIs bought Rs 2,800 crore in cash and Rs 1,000 crore in futures on 18 May — their third consecutive session of net buying — which is directly linked to this news flow.

Tap to Access Best Research Pieces on Univest

Trigger 4: Wall Street Tech Strength and Global AI Optimism

US technology stocks have maintained their positive momentum on AI adoption expectations. The Dow Jones rose 95 points, S&P 500 gained 14 points and Nasdaq closed 27 points higher in the most recent session. Asian markets (Nikkei +1.22%, Kospi +1.58%) also advanced on the AI trade, improving global risk appetite for technology stocks. Since Indian IT companies derive the majority of revenue from US enterprise clients, Wall Street tech strength signals healthy IT spending budgets and confidence in the continued outsourcing of digital transformation, cloud migration and AI implementation work.

The Nifty IT Sector’s Paradox: Down 25% YTD Despite Three-Day 8% Rally

Despite the impressive three-day 8 percent Nifty IT rally, the broader context is sobering. The Nifty IT index is still down approximately 25 percent year-to-date in 2026 from January highs above 36,000. The three-day bounce from oversold levels is meaningful but does not erase the structural concerns. Anthropic’s announced launch of its own professional services company at USD 10 billion valuation and USD 4 billion raise remains the most significant structural headwind — a direct competitive challenge to the implementation and services work that Indian IT companies dominate globally.

Nuvama Institutional Equities has maintained Buy ratings on TCS (target Rs 3,650), Infosys (Rs 1,650), Wipro (Rs 255), Tech Mahindra (Rs 1,750), LTIMindtree (Rs 6,200), Coforge (Rs 2,200), Persistent Systems (Rs 6,100) and Mphasis (Rs 3,200), suggesting 15 to 25 percent medium-term upside from current levels if the AI implementation opportunity materialises as TCS’s CEO letter suggests.

Download the Univest iOS App or the Univest Android App to get daily stock recommendations and insightful research pieces on Nifty IT live index, all IT stock prices and sector research!

Conclusion

The Nifty IT index has clocked an 8 percent three-day bull run on four converging triggers: the rupee’s crash to 96.17 providing a 13 percent dollar revenue tailwind, TCS CEO confirming 130 of 139 top clients chose TCS as their AI partner, STT and FII tax cut news driving short covering and continued Wall Street technology strength. The three-day rally has made Nifty IT India’s strongest-performing sector index in May 2026. However, with the index still down 25 percent year-to-date and the Anthropic structural threat intact, this is a powerful bounce within a longer-term downtrend rather than a confirmed reversal. Track the Nifty IT live on Univest and consult a SEBI-registered advisor before making investment decisions.

FAQs on the Nifty IT Three-Day Rally

What is driving the Nifty IT 8% three-day rally?

Ans. The Nifty IT three-day 8 percent rally from 15 to 20 May 2026 is powered by four triggers: the rupee at record low 96.17 providing dollar revenue uplift for IT exporters, TCS CEO confirming 130 of 139 top clients chose TCS as their AI services partner, STT and FII tax cut news triggering short covering and continued strength in US technology stocks and Asian markets.

Which IT stocks gained the most in the three-day Nifty IT rally?

Ans. Coforge led the Nifty IT rally after surging up to 10 percent on Q4 FY26 results (revenue +30%, $1.75 billion order book). TCS, Infosys, HCL Technologies and Wipro each gained approximately 3 percent on 20 May. Tech Mahindra extended short-covering gains from the prior session. All 10 Nifty IT constituents traded in the green across all three sessions.

Is the Nifty IT rally a trend reversal?

Ans. The Nifty IT three-day 8 percent rally is a powerful bounce from oversold levels but is not yet a confirmed trend reversal. The index is still down approximately 25 percent year-to-date from January 2026 highs. The structural headwind from AI competition (Anthropic’s services company launch) remains intact. Resistance at the 29,000 to 30,000 range on the Nifty IT will be the key level to determine if this is a reversal.

Disclaimer: Investment in the share market is subject to risk. This article is for informational and educational purposes only and does not constitute investment advice. Verify all numbers before investing. Consult a SEBI-registered advisor before making investment decisions.