U.S. stock futures tick lower ahead of week that is set to be highlighted by a Federal Reserve interest rate decision and crucial inflation data. Elsewhere, Elliott Investment Management reportedly takes a stake in Southwest Airlines (NYSE:LUV) as the activist investor looks to spur on a turnaround in performance at the low-cost carrier.1. Futures lowerU.S. stock futures pointed lower on Monday, as investors looked ahead to a major Federal Reserve interest rate decision and key monthly inflation data later in the week.By 03:46 ET (07:46 GMT), the Dow futures contract had shed 87 points or 0.2%, S&P 500 futures had slipped by 6 points or 0.1%, and Nasdaq 100 futures had edged down by 43 points or 0.3%.The main averages on Wall Street fell following choppy trading in the prior session, dragged down by a stronger-than-projected jobs report which exacerbated concerns that the Fed could delay the timing of potential rate cuts for a longer period of time than some investors had been expecting.However, the benchmark S&P 500, tech-heavy Nasdaq Composite, and 30-stock Dow Jones Industrial Average posted weekly gains.2. Fed decision this weekMarkets widely expect the Fed to keep borrowing costs on hold at more than two-decade highs at the conclusion of its next policy gathering on Wednesday, meaning the spotlight will likely shine on any indications the central bank gives about its outlook for rates.The first update in three months to the Fed's dot plot -- a closely-watched gauge of policymakers' rate expectations -- is tipped to show that officials are anticipating two 25-basis point cuts this year, down from three in March.