Super Micro Computer Inc. shares dropped after lowering its fiscal year sales forecast, suggesting the company continues to face uneven uptake of powerful AI servers amid a shift to products based on new Nvidia Corp. chips.The company said Tuesday that revenue in the year ending in June 2026 will be at least $33 billion. In February, Super Micro offered a bullish long-term outlook because of demand for AI products, saying sales will be $40 billion — then almost twice as much as analysts’ estimat...