Tesla (TSLA.US) founder Elon Musk has warned that Tesla may face challenging conditions in the coming quarters as its core automotive business may take the hit from the end of electric vehicle subsidies.Tesla's 2Q25 revenue fell by 12% to USD22.5 billion, marking the largest drop in at least a decade. Its adjusted EPS of USD0.4 were also shy of analysts' average expectations.Related NewsCore PCE Price Index MoM for Jun in United States is 0.3%, higher than the previous value of 0.2%. The forecast was 0.3%.Tesla's stock price tumbled by 4.44% after hours to USD317.8.(Real-time Streaming US Stocks Quote; Except All OTC quotes are at least 15 minutes delayed.)