A drop in crude oil prices weighed the markets down to a lower close with the Dow falling 30 points to 20,547. Nasdaq lost 6 points to 5,910.

On the upside

Briggs & Stratton (NYSE: BGG) reported higher third quarter earnings that topped analyst estimates and the company declared a quarterly cash dividend of 14 cents per common share payable on June 30, 2017 to shareholders of record June 16, 2017.

Shares of Akari Therapeutics (Nasdaq: AKTX) surged on no news.

CAI International (NYSE: CAI) reported better than expected earnings for the first quarter.

On the downside

First quarter revenue slipped for Electronics for Imaging (Nasdaq: EFII).

Aevi Genomic Medicine (Nasdaq: GNMX) presented new data from the SAGA trial of AEVI-001 at the 6th World Congress on ADHD.

Shares of MannKind (Nasdaq: MNKD) fell for the seventh day.

In the broad market, declining issues outpaced advancers by a margin of nearly 5 to 4 on the NYSE and by 7 to 5 on Nasdaq. The broader S&P 500 index fell 7 points to 2,348. Bitcoin edged up to $1239.