Apple (AAPL) has faced difficulties in the past. In 2018, its stock dropped over 30% in less than 2 months, erasing billions in market capitalization, and negating substantial gains in a single downturn. If past performance is any indication, AAPL stock is not shielded from abrupt, significant declines.CUPERTINO, CALIFORNIA - SEPTEMBER 09: New Apple iPhone 17 Pros are displayed during an Apple special event at Apple headquarters on September 9, 2025 in Cupertino, California. Apple unveiled a new generation ...