Tim Cook, chief executive officer of Apple Inc., speaks during an event at the Steve Jobs Theater in Cupertino, California, U.S., on Wednesday, Sept. 12, 2018. David Paul Morris | Bloomberg | Getty Images

Check out the companies making headlines after the bell: Apple shares fell nearly 5 percent in after-hours trading despite releasing its fiscal fourth-quarter earnings report that beat expectations on the top and bottom lines. The company reported earnings of $2.91 per share compared to the $2.78 per share analysts expected. Apple reported $62.9 billion in revenue for the quarter, while Wall Street estimated $61.57 billion in revenue. Apple sold less of its flagship iPhones during the quarter than analysts expected, but at a higher selling price than estimated, according to FactSet and StreetAccount estimates.

Starbucks shares jumped 9 percent in after-hours trading after the company released its quarterly earnings report that beat revenue and earnings estimates. The coffee giant reported earnings of 62 cents per share, higher than analysts' estimate of 60 cents per share. The company reported $6.3 billion in revenue for the quarter, while analysts expected $6.27 billion. Same-store sales growth at Starbucks also beat expectations, rising 3 percent compared to the 2.3 percent estimated by analysts.

Weight Watchers shares plunged more than 13 percent in the extended session after the company missed expectations in its third-quarter earnings report. The company, which was recently rebranded as simply WW, reported earnings of 94 cents per share, below analysts' estimate of 99 cents per share. Revenue also missed estimates, with the company reporting $366 million for the quarter compared to the $379 million Wall Street expected.