Applied Materials ( AMAT ) delivered stronger-than-expected results for its July quarter, but the celebration ended quickly. The chip equipment maker reported adjusted earnings of $2.48 per share, topping analyst forecasts of $2.36, and revenue of $7.3 billion, slightly above the $7.22 billion consensus. Sales rose nearly 8% from a year earlier, with all three business segments exceeding expectations. Semiconductor Systems revenue climbed 10% to $5.43 billion, buoyed by foundry-logic investments and solid DRAM demand, while Applied Global Services grew 1% to $1.6 billion. Yet, the optimism was cut short by a sharp downgrade in the company’s guidance for the October quarter. Management now expects revenue of about $6.7 billion at the midpoint, well below Wall Street’s $7.33 billion forecast, and adjusted EPS between $1.91 and $2.31. The announcement sent Applied shares tumbling more than 13% on Friday, marking their steepest one-day drop in over five years. China Slowdown and ...