U.S. stocks swung between gains and losses as JPMorgan Chase & Co. sparked a rally in bank shares, tempering a disappointing retail sales report.

Equities slid earlier after retail sales fell in May for a second month as slower employment and subdued wage gains damped demand. Alexis Tsipras, whose Greek Syriza party is vying for first place in pre-election polls, said he expects the European Union will do all it can to keep Greece in the euro even if he wins elections and carries out his promise to repeal the austerity measures required to receive emergency loans.

Dell Inc. advanced 3.8 percent after saying it will pay a dividend.

Caterpillar Inc. (CAT) and и Co. retreated at least 0.8 percent to pace declines in the biggest companies.

JPMorgan (JPM) jumped 3.5 percent as Chief Executive Officer Jamie Dimon testified about his bank’s practices to lawmakers.