Apple (AAPL-Q) is expected to face a string of questions over the delayed roll-out of key AI features and the impact of the Sino-U.S. tariff standoff on its business, when it reports results on Thursday. Even as Apple benefited from a rush of orders for its recently launched lower-priced iPhone 16e in the January-March period ahead of potential tariffs, Wall Street analysts still expect the company will report a small fall in iPhone sales. That would mark a second straight quarter of declines. The Trump administration has so far spared electronics from tariffs, but Washington has signaled that some levies…