Alphabet shares rallied 3.5%, but Honeywell stock declined more than 2%. IBM shares sold off more than 5% in morning trading. L3Harris stock jumped more than 3%, as O'Reilly shares lost 1%. And ServiceNow surged more than 7% in early morning action.

US stocks climbed on Wednesday after the US struck a trade deal with Japan, lifting hopes for further tariff pacts as Wall Street prepared for Tesla (TSLA) and Alphabet (GOOGL, GOOG) earnings after the bell.

Stock futures wavered between slight gains and losses Tuesday morning as investors reacted to quarterly results from a slew of major companies.