On Monday, the Indian share market started the new week trading in red with the Nifty 50 opening at 23,589.60, reaching a high of 23,907.40 and closing at 23,842.65, down by 0.86%. Similarly, the BSE Sensex opened at 75,937.16, reached a high of 77,063.41, and ended at 76,847.57, down by 0.91%.The Indian share market traded in red because of the sharp rise in crude oil prices to $101.86 per barrel and the collapse of US-Iranian negotiations. After this, the United States stated that it intends to impose a naval blockade around Iranian ports, while Israel also intends to start attacking Iran again in the interim.Reasons for the negative sentimentThe following are the reasons for the negative sentiment in the stock market:Heightened geopolitical tensions in the Middle East. India VIX increased by 7.59% at 20.28, signalling rising volatility in Indian markets. The rupee declined by 57 paise to 93.30 against the U.S dollar.Major Indices Today IndicesLTPPrev closeChangeNifty 5023,842.6524,050.60-0.86%BSE Sensex76,847.5777,550.25-0.91%Next 5067,123.3067,641.25-0.77%Bank Nifty55,605.0555,912.75-0.55%Fin Nifty26,047.5026,213.90-0.63% The major indices, Nifty 50 and Sensex, traded in red, led by losses in banking, financials, and oil & gas stocks.Nifty Next 50 traded lower, driven by broader negative sentiment in the market after the collapse of US-Iran talks.Nifty Bank traded in red due to the rising crude oil prices, sparking worries about inflation and the potential for tighter monetary policy.Sectoral Indices Today IndicesLTPPrev closeChangeNifty IT30,669.8031,030.60-1.16%Nifty Auto26,084.5526,640.90-2.09%Nifty FMCG47,570.4048,194.05-1.29%Nifty Pharma22,100.1022,164.85-0.29%Nifty Healthcare14,154.9514,194.90-0.28%Nifty Oil & Gas11,035.9011,193.40-1.41% Nifty IT traded in the red amid broader selling pressure as US-Iran peace talks failed.Nifty Auto traded in the red after an increase in crude oil prices.Nifty FMCG and Nifty Pharma traded in the red, driven by negative and risk-off sentiment in the market.Nifty Oil and Gas traded lower following the news of the US-Iran peace talks failure and the fear of supply disruptions.Market Movers Today Ola Electric: Shares of Ola Electric Mobility tumbled sharply during Tuesday's trade, dropping almost 8%. This was driven by profit booking amid its strong run-up in recent trading sessions.Puravankara: Shares of real estate firm Puravankara climbed close to 10% after reporting robust sales numbers for Q4FY26 at Rs 3,547 crore compared to the year-ago quarter at Rs 1,225 crore, posting an increase of almost 190%.SpiceJet: Shares of airline firm SpiceJet soared to the upper circuit limit on Monday for the fourth straight day despite the ongoing financial distress. Its share price is locked in the 5% upper circuit limit amid strong buying interest.Jyoti CNC Automation: Its shares came under intense selling pressure after slumping over 14% amid a probe by French authorities against its subsidiary for exporting beyond regulatory norms.Ather Energy: Its shares moved higher by more than 5% as India released a draft policy recommending that the registration of new petrol-based two-wheelers be restricted from April 2028, while new registrations of CNG-based three-wheelers be banned from January 2027.Top Gainers Company NameLTPPrev CloseChangeJSW Energy509.60488.854.24%Voltas1,361.601,315.603.50%MCX2,765.602,669.403.60%Solar Industries14,525.0014,073.003.21%Adani Power181.35175.813.15% Top Losers Company NameLTPPrev CloseChangeEicher Motors7,050.007,424.00-5.04%Maruti Suzuki13,076.0013,709.00-4.62%Cholamandalam Investment1,507.201,581.20-4.68%APL Apollo Tubes1,979.802,064.60-4.11%Hero Motocorp5,247.005,466.50-4.02% 52W High Stocks Company NameLTP52W highChangeAdani Power181.35184.403.15%Adani Energy Solutions1,175.301,187.251.50%BSE3,303.603,341.300.68%Hitachi Energy28,325.0028,860.00-0.35%Groww194.71198.850.52% 52W Low Stocks Company NameLTP52W lowChangeAbbott25,725.0025,310.00-0.21%Patanjali Foods461.10450.60-1.55%Vinati Organics1,209.001,203.00-3.62%Amir Chand Jagdish Kumar (Exports)119.79119.79-5.00%Hariom Pipe Industries284.05268.051.18% High Volume Stocks Today Company NameLTPPrev CloseChangeVodafone Idea9.259.250.00%Suzlon Energy45.8645.321.19%Adani Power181.35175.813.15%Yes Bank18.8819.08-1.05%HDFC Bank794.70810.30-1.93% IPOsOm Power Transmission IPO will be closed today, with listing expected on 17th April. The price band set for the IPO is at ₹166 to ₹175 per share.Property Share Investment Trust-Propshare Celestia IPO is open and will close on 16th April. The price band set for the IPO is at ₹10,00,000 to ₹10,50,000 per share.Market AnnouncementsAdani Enterprises shares gained in Monday's session as the National Company Law Appellate Tribunal adjourned the hearings on the objections raised by Vedanta to the bid made by the firm for Jaiprakash Associates.Following the Delhi government's introduction of the EV Policy that recommends a ban on registering new petrol-powered two-wheelers and CNG three-wheelers from April 2028 and January 2027, respectively, JBM Auto witnessed an upside move of more than 2.5%.