A shopper browses vegetables at a Mariano's grocery store in Orland Park, Illinois.

A measure of future economic conditions rose last month, according to a new report.

The Leading Economic Index (LEI) increased 0.3 percent to 123.7 in June, The Conference Board said on Thursday. Economists expected the Leading Economic Index to rise 0.2 percent in June, after falling 0.2 percent in May, according to a Thomson Reuters consensus estimate.