Apple stock jumped along with other tech shares Thursday, as markets cheered the Federal Reserve’s big interest-rate cut. Still, one strong day for the iPhone maker shouldn’t cloud the uncertainty ahead.

Shares of Apple Inc. rose 3.71% to $228.87 Thursday, on what proved to be an all-around favorable trading session for the stock market, with the NASDAQ Composite Index rising 2.51% to 18,013.98 and the Dow Jones Industrial Average rising 1.

Apple went public in December 1980 at $22 per share. Like pretty much any stock over a nearly 45-year period, Apple stock has climbed and crashed severa