US Major Stock Index Futures All RiseAccording to IDC data, Apple's iPhone shipments in the first quarter fell 9.6%, with a 17.3% market share, ranking second. Tesla issued a company-wide email, announcing a 10% global workforce reduction. Reports suggest Intel may launch a Chinese special version of the Gaudi 3 AI accelerator chip. News also indicates that Richard Liu may personally livestream, with JD.com responding that they are preparing and will appear in a new form.In the short term, the S&P 500 index is expected to remain below 520. The major options trades include an April 17 expiry 525/520 call spread, suggesting the index will top out around 520 that week.For the medium term, the S&P 500's downside may be limited. The May 17 expiry 486/489 put spread strategy implies a dr