TLDRTesla stock rose about 1.3% to $377.56 after the company confirmed a Semi production milestone.The company announced that the first Tesla Semi rolled off its high-volume production line.The electric truck offers a range of about 500 miles on a single charge.Tesla plans to scale production and target up to 50,000 Semi units annually over time.The S&P 500 and Dow Jones Industrial Average both recorded gains during the same session.Tesla shares climbed on Thursday while several major technology stocks declined after earnings updates. The move followed confirmation of a production milestone for the company’s electric truck program. Broader equity markets also posted gains, supporting a mixed session across sectors.Tesla Stock Gains on Semi Production MilestoneTesla stock rose about 1.3% to $377.56 during Thursday trading. The gain followed news that the first Tesla Semi exited a high-volume production line.Tesla, Inc., TSLAThe company posted on X, stating, “First Semi off high volume line.” The update confirmed progress on a vehicle unveiled in 2017.The Tesla Semi targets long-haul freight with an electric design. The long-range version offers about 500 miles on one charge.Tesla plans to increase production during the current year. The company aims for up to 50,000 units annually over time.That output could capture part of the 500,000 semi-trucks sold yearly in the US and Europe. The milestone added momentum to Tesla stock during the session.Tech Peers Decline while Markets AdvanceThe S&P 500 gained 0.4% during the same session. The Dow Jones Industrial Average rose 1.3% and supported overall sentiment.However, several large-cap technology firms moved lower after earnings reactions. The divergence placed Tesla stock among few advancing names.Nvidia shares dropped more than 3% during trading. Markets assessed risks from custom chip development by large technology companies.Meta fell close to 10% after its earnings call. Investors questioned near-term returns from increased spending plans.Microsoft declined about 5% following its results. Analysts still raised price targets due to cloud and AI revenue growth.Energy Costs and Investment Plans Oupport OutlookHigher fuel prices supported the case for electric trucking solutions. Benchmark crude oil traded near $116 per barrel on Thursday.Prices had been around $70 before the Iran conflict escalated. Rising diesel costs increase operating expenses for traditional trucking fleets.Diesel spending can reach about $100,000 annually for a standard truck. Electricity could reduce those costs by 40% to 70%.The Tesla Semi carries an expected price near $290,000. The cost remains higher than many diesel alternatives but aligns with fleet investment ranges.Tesla also plans to increase capital expenditure beyond $20 billion this year. The investments target autonomous driving, robotics, batteries, and lithium supply.The company launched a robotaxi service in Austin in June. Expansion to other cities has progressed at a slower pace.The post Tesla Stock Climbs While Tech Giants Fall After Semi Update appeared first on Blockonomi.