On April 15, 2026, the S&P 500 closed at 7,022.95 points, officially surpassing its previous all-time high of 7,002.28 set in January and confirming a full recovery from the US-Iran geopolitical shock.Motley Fool In the same session, Vietnam’s VN-Index crossed the 1,800 milestone with a 1.41% gain. But behind the headline number, the picture was starkly divided: only 101 stocks advanced versus 192 declining, with nearly all gains driven by just two stocks: VIC and VHM.
Three Catalysts Behind the S&P 500 Breakout
US Bank Earnings Beat Expectations
Q1/2026 results from major US banks provided the confidence foundation for this rally. Bank of America reported EPS of $1.11, beating the $1.01 consensus by 9.9%, with revenue rising 7% to $30.3 billion. Investment banking fees rose 21%, and EPS increased 25% year-over-year.CNBC
Morgan Stanley was even more impressive with EPS of $3.43, beating estimates by 13.6%. Revenue rose 16% to $20.58 billion, with equity trading revenue hitting a record $5.15 billion, up 25% year-over-year.CNBC Investment banking surged 36% to $2.12 billion. The broad-based earnings beats indicate the US economy remains resilient despite geopolitical turbulence last quarter.
VIX Falls Below 20, Risk-On Sentiment Spreads
The VIX volatility index closed at 18.36 on April 15, falling sharply from above 24 in early April.Yahoo Finance Levels below 20 are generally considered a risk-on signal, where investors are willing to take on more risk. The inverse correlation between the S&P 500 and VIX reached -0.95 in the first two weeks of April, confirming the rally came alongside a clear decline in volatility expectations.
Easing Geopolitical Tensions
While the US-Iran conflict has not fully concluded, positive negotiation signals helped markets reprice risk. Meanwhile, US core PPI for March rose just 0.1%, below expectations, reinforcing hopes that the Fed may ease policy this year. The Nasdaq Composite’s 11-session winning streak, the longest since 2021, reflects confidence spreading from financials to technology.MarketMinute
VN-Index Crosses 1,800: VIC and VHM Lead, Sharp Divergence
VN-Index closed at 1,800.65 points, up 25 points (+1.41%). However, the real picture was sharply divided with only 101 advancing stocks versus 192 declining. The two leading stocks responsible for nearly all gains were VIC (Vingroup) and VHM (Vinhomes).
VIC closed at VND 177,000, up 6.95% with turnover of approximately VND 1,149 billion, setting an all-time high. From VND 151,700 on April 10, VIC surged 16.7% in just 3 sessions.Tiền Phong VHM closed at VND 137,000, up 6.28% with turnover of approximately VND 880 billion, reaching a 3-month high. VHM gained 13.1% in 3 sessions from VND 121,100 on April 10.StockBiz
These two stocks contributed an estimated 1.31% to the index’s total 1.41% gain. In other words, nearly the entire rally came from the Vingroup ecosystem.
Foreign Investors: Buying VIC, Dumping VHM
Foreign investors net sold VND 3,462.3 billion on HOSE on April 15, the largest net selling since the March correction.Tin nhanh chứng khoán Notably, foreign flow signals were completely opposite for two stocks within the same Vingroup ecosystem.
For VIC, foreign investors net bought VND 372.85 billion (2.16 million shares), aligning with the price surge. Conversely, VHM saw net foreign selling of VND 3,375 billion (26.68 million shares), making it the most heavily sold stock of the session. FPT also saw net selling of VND 432.2 billion.
This signals a key divergence: while domestic money pushed VHM sharply higher, foreign investors were taking profits at elevated levels. This contradiction warrants close monitoring as foreign selling pressure could intensify if VHM fails to maintain its momentum.
VN-Index Has Recovered 7.5% in 7 Sessions
The bigger picture shows VN-Index has completed a significant recovery. From the bottom of 1,674.99 points on April 6, the index has risen 7.5% in 7 trading sessions, propelled by the 4.71% surge on April 8 with 297 advancing stocks. The 14-day RSI stands at 55.44, not yet overbought but approaching.
Asian markets on April 16 also opened positively following Wall Street: the Nikkei 225 rose approximately 0.44% and KOSPI gained approximately 2.07%.International News Risk-on sentiment is spreading from the US to Asia, creating a favorable backdrop for VN-Index.
Three Scenarios for April 16
Scenario 1: Continued rally, testing 1,810-1,825. Trigger conditions: VIC and VHM hold above reference prices with high liquidity, Asia maintains positive momentum, and banking stocks (VCB, BID, TCB) begin contributing. If capital flows spread beyond Vingroup, the rally gains depth. Psychological resistance at 1,820.
Scenario 2: Sideways consolidation around 1,790-1,805. Trigger conditions: VIC/VHM open higher but gradually narrow gains, declining stocks continue outnumbering advancing ones, foreign selling continues but with lower intensity. Capital concentration in Vingroup means mid-caps have not caught up, and the market needs time to assess sustainability.
Scenario 3: Profit-taking pressure, correction to 1,770-1,785. Trigger conditions: VIC or VHM reverse from the opening auction, foreign investors resume heavy VHM selling, or negative news emerges from Iran negotiations. After a 7.5% rally in 7 sessions, profit-taking is natural. Technical support at 1,770.
Five Signals to Watch
The VN-Index rally is real, but the concentration risk is equally clear: when 1.31% of a total 1.41% gain comes from just 2 stocks, any reversal in VIC or VHM could pull the index down rapidly. The S&P 500 record high is a positive signal for global sentiment, but the decisive factor for April 16 lies in whether capital flows can broaden.
Five factors worth monitoring in the next session:
- VIC/VHM morning liquidity: a significant decline compared to April 15 weakens the case for continued gains.
- Foreign investor direction on VHM: whether the VND 3,375 billion net selling pattern repeats or moderates.
- Market breadth: 101 advancing vs 192 declining shows the rally has not broadened. If breadth improves (over 150 advancing), Scenario 1 becomes more viable.
- Banking stocks: VCB gained only 1.01% on April 15, a restrained reaction. If banks join the rally, it signals genuine depth.
- US Big Tech earnings: results expected later this week and next will determine whether the S&P 500 holds above 7,000, indirectly influencing global sentiment.
