The markets opened flat with the Dow slipping 7 points to 16,911 ahead of the release of minutes from the Federal Reserve. Nasdaq lost 6 points to 4521.

On the upside 

Amicus Therapeutics (Nasdaq: FOLD) reported positive results from a Phase 3 study of its Fabry disease treatment migalastat.

Digital Ally (Nasdaq: DGLY) reported a sharp increase in inquiries about its FirstVU HD Officer-Worn Video System from law enforcement agencies.

Highpower International (Nasdaq: HPJ) will supply advanced compact lithium batteries for the Timex Ironman One GPS+ smartwatch.

On the downside 

Hertz Global (NYSE: HTZ) withdrew its earnings outlook for the full year citing car recalls and an accounting review.

RGS Energy (Nasdaq: RGSE) widened losses for the second quarter and named Dennis Lacey to the position of chief executive officer.

Youku Tudou (NYSE: YOKU) widened second quarter losses. 

In the broad market, declining issues outpaced advancers by a margin of nearly 5 to 2 on the NYSE and by more than 5 to 2 on Nasdaq. The broader S&P 500 eased a point to 1980. Bitcoin rose $15 to $495.