U.S. stocks fell Tuesday after Walmart cut its earnings forecast, sending other retail shares lower and adding to concern that consumer spending might not be strong enough to keep the U.S. out of a recession. Walmart cut its quarterly and full-year profit estimates because of rising food inflation. This alarmed investors who deliberated the implications for other retail stocks. The big-box retailer said higher prices are spurring consumers to pull back on general merchandise spending, particularly in apparel. “The most important thing from the Walmart announcement is how inflation is changing what people buy,” said Robert Cantwell, portfolio manager at Upholdings. “Food now makes up a bigger share of individuals’ budgets, but overall spending still generally remains intact.”Traders are also bracing for an onslaught of megacap tech earnings and economic data this week, as well as the outcome of the Federal Reserve meeting, that will help Wall Street direct its expectations for the rest of the year. On Tuesday, the Federal Reserve commenced its two-day policy meeting. Traders are widely expecting a three-quarter percentage point hike and will be looking for clues on the future interest rate path and what it could mean for equity market pricing. “There is this moderating of earnings expectations,” said Stephanie Lang, chief investment officer of Homrich Berg. “The overall corporate sentiment seems to be declining, there is a lot of cautionary commentary around inflation, the dollar”