The markets tumbled to a sharply lower open with the Dow plummeting
158 points to 17,456 as China devalued the yuan. Nasdaq dropped 27
points to 5,074.

On the upside

Terex (NYSE: TEX) will merge with Konecranes in an all stock transaction.

Aquinox Pharmaceuticals (Nasdaq: AQXP) stock surged again.

Novavax
(Nasdaq: NVAX) reported positive results from a Phase 2 clinical trial
of its RSV F-protein vaccine in adults 60 years of age and older.

On the downside

Celldex Therapeutics (Nasdaq: CLDX) widened losses for the second quarter.

Investors locked in profits on Freeport-McMoRan (NYSE: FCX).

Vipshop
Holdings (NYSE: VIPS) reported higher second quarter earnings and
revenue but the company forecast disappointing current quarter revenue.

In
the broad market, declining issues outpaced advancers by a margin of
nearly 7 to 2 on the NYSE and by nearly 3 to 1 on Nasdaq. The broader
S&P 500 dropped 14 points to 2089. Bitcoin added $1 to $262.