UK Stocks Plunge to Lowest Levels Since Iran War Began, FTSE 100 Down 9%

• The tech-heavy Nasdaq and Dow Jones are on the brink of correction territory, defined as a 10% decline from recent peaks, with investors growing concerned the Iran conflict may cause lasting market damage beyond typical episodes. • All three major stock indexes closed Friday with their fourth consecutive weekly loss: the Dow fell 2.1%, Nasdaq dropped 2.1%, and the S&P 500 tumbled 1.9%, according to FactSet data. • The "TACO trade" (Trump Always Chickens Out), where investors bet Trump will reverse course during market selloffs, is looking increasingly suspect as the conflict deepens, with analysts warning that longer-term resolution becomes harder the deeper the conflict progresses.

• U.S. secondary-level economic statistics including construction indicators and business activity assessments will provide key signals for market sentiment early in the week. • Investors are preparing for a busier trading week with March flash PMI surveys from major economies, inflation data from Japan and UK, and U.S. consumer indicators due for release. • Market focus has shifted from traditional macro releases to monitoring oil prices, bond yields, and geopolitical developments, with these factors now setting the primary tone for equity sector rotations.

• Key stock indexes broke or are testing long-term support levels, with the Dow Jones closing below its 200-day moving average for the third consecutive day. • Market weakness has shifted from selective rotation to broader deterioration, with participation narrowing and leadership concentrating in defensive and commodity-driven sectors. • Technical analysts warn that previous orderly rotation patterns have given way to genuine breakdown, signaling potential for sustained market pressure if support levels fail.

• The S&P 500 dropped approximately 1%, Nasdaq slid 2.3%, and the Dow remained slightly higher on Wednesday as technology led a broad risk-off move triggered by renewed AI disruption fears and weak corporate guidance. • AMD plunged nearly 17% on disappointing outlook, dragging the semiconductor complex lower with Broadcom falling 7%, Micron dropping 11%, Lam Research down 10%, and Applied Materials declining 9%. • Software stocks extended recent declines as investors reassessed competitive risks following new AI product releases, raising concerns that automation could erode pricing power and margins across enterprise, legal, and financial software sectors.

• JPMorgan revised its 2026 S&P 500 year-end price target down to 7,200 from 7,500, citing rising oil prices and geopolitical tensions as key headwinds to earnings. • The bank warned the index could slide to as low as 6,000 in the near term if current pressures intensify, with 6,000 to 6,200 identified as potential support levels if recession risks escalate. • The S&P 500 closed Friday at 6,506.48, down 1.51%, marking its fourth consecutive weekly loss and lowest level in six months amid AI monetization doubts and Fed rate-cut expectations reversing.

• The S&P 500 fell 1.51% to close at 6,506.48, the Nasdaq dropped 2.01% to 21,647.61, and the Dow declined 0.96% to 45,577.47 on Friday, marking the fourth consecutive weekly loss. • Iran conflict pushed oil prices higher, intensifying inflation expectations and prompting investors to reassess Federal Reserve rate-cut bets; rate futures now suggest potential rate increases rather than cuts by 2026. • Major tech stocks suffered significant losses, with Nvidia and Tesla falling over 3%, while Super Micro Computer plunged 33% following smuggling charge reports linked to AI technology exports.

• The S&P 500 declined 0.84% to 6,551.67 in afternoon trading on Friday with 139 equities advancing and 364 declining across the index, indicating broad-based weakness. • Market rotation continued with only the utilities sector trading in positive territory while all other sectors posted losses amid elevated geopolitical tensions and rising borrowing costs. • Market volatility remains high as investors grapple with competing concerns about inflation stemming from the Iran conflict and the potential impact on Federal Reserve policy decisions.

• Super Micro Computer shares plunged 28.2% on Friday after US authorities accused a senior executive and two affiliates of conspiring to smuggle advanced Nvidia-based servers to China. • The alleged scheme targeted the export of high-performance computing equipment to China, triggering immediate sharp market reaction and significant shareholder losses. • The charges represent a significant escalation in enforcement actions against technology companies and executives involved in alleged unauthorized export of advanced semiconductor technology.

• The Dow Jones Industrial Average fell 0.4% or 203.72 points to 46,021.43 on Thursday, marking its lowest close of 2026 and closing below its 200-day moving average, with 22 of 30 components ending in negative territory. • The S&P 500 declined 0.3% to 6,606.49, reflecting its lowest close in four months, while the Nasdaq Composite slipped 0.3% to 22,090.69; all 11 sectors ended in negative territory. • Market weakness was driven by the ongoing Iran conflict and rising Treasury yields, which have climbed amid concerns about energy supply disruptions and inflation, causing traders to abandon bets on interest-rate cuts this year.

• The Federal Reserve's policy committee decided to hold the federal funds rate steady at 3.5% to 3.75% on March 18, 2026, citing elevated uncertainty about the economic outlook and the implications of Middle East developments for the U.S. economy. • The Fed noted that while economic activity continues to expand at a solid pace, job gains have remained low and unemployment rates have shown little change, with inflation remaining somewhat elevated above the 2% target. • The Committee signaled readiness to adjust monetary policy if risks emerge that could hinder maximum employment and price stability, indicating a cautious stance given current geopolitical and economic headwinds.

• Wall Street experienced a sharp selloff on Wednesday, March 19, 2026, driven by intensifying geopolitical conflicts between the U.S.-Israel force and Iran, sending major indices to their lowest closes of the year. • The Dow Jones Industrial Average fell 1.6% or 768.11 points to 46,225.15, with 28 of 30 components declining; the S&P 500 dropped 1.4% to 6,624.70; and the Nasdaq Composite slid 1.5% or 327.11 points to 22,152.42. • The CBOE Volatility Index (VIX) surged 12.2% to 25.09, reflecting elevated market fear and uncertainty about Middle East implications for the U.S. economy.