Why This Matters to Investors Spending at restaurants may not change dramatically for a few months, according to market watchers. The impact of some potential catalysts, such as the World Cup and tax code changes, likely won't emerge until spring or summer. Chipotle was a top restaurant investment pick for both Oppenheimer and Deutsche Bank, who say more limited- time offers and fresh sauces may drive diners to its restaurants. The restaurant's new high-protein menu, with smaller, lower-cost options, may al ...