$Apple(AAPL)$announced its second-generation 5G-enabled smartphones, the iPhone 13 series. The new handsets are incremental upgrades to last year's iPhone 12 series. The iPhone 13 devices feature brighter displays, faster processors, improved cameras, and longer battery life.Apple stock is technically a buy right now. It is trading back in the 5% chase zone of its recent breakout, which extends to 152.45. AAPL stock ended the regular session on Sept. 15 at 149.03.However, investors should wait to see if Apple stock rebounds off its 50-day and 10-week moving average lines. It is currently finding support at those levels.Keep an eye on the overall stock market. If the market turns south, don't try to fight the general stock mar